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CVE-2023-44487NVD
Vulnerability Summary
The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.
CVSS v3.1 Base Metrics — Score 7.5 (HIGH)
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityNone
IntegrityNone
AvailabilityHigh
Affected & Patched Versions
- Siemens Simatic S7-1500 Cpu 1518f-4 Pn\/dp Mfp Firmware >= 3.1.5
- Siemens Sinec Ins < 1.0
- Siemens Sinec Ins
- Siemens Sinec Nms < 3.0
- Siemens St7 Scadaconnect < 1.1
- Siemens Ruggedcom Ape1808 Firmware
- Siemens Simatic S7-1500 Cpu 1518-4 Pn\/dp Mfp Firmware >= 3.1.5
- Siemens Siplus S7-1500 Cpu 1518-4 Pn\/dp Mfp Firmware >= 3.1.5
- Ietf Http
- Nghttp2 Nghttp2 < 1.57.0
- Netty Netty < 4.1.100
- Envoyproxy Envoy
- Eclipse Jetty < 9.4.53
- Eclipse Jetty >= 10.0.0 and < 10.0.17
- Eclipse Jetty >= 11.0.0 and < 11.0.17
- Eclipse Jetty >= 12.0.0 and < 12.0.2
- Caddyserver Caddy < 2.7.5
- Golang Go < 1.20.10
- Golang Go >= 1.21.0 and < 1.21.3
- Golang Http2 < 0.17.0
- Golang Networking < 0.17.0
- F5 Big-ip Access Policy Manager >= 13.1.0 and <= 13.1.5
- F5 Big-ip Access Policy Manager >= 14.1.0 and <= 14.1.5
- F5 Big-ip Access Policy Manager >= 15.1.0 and <= 15.1.10
- F5 Big-ip Access Policy Manager >= 16.1.0 and <= 16.1.4
- F5 Big-ip Access Policy Manager
- F5 Big-ip Advanced Firewall Manager >= 13.1.0 and <= 13.1.5
- F5 Big-ip Advanced Firewall Manager >= 14.1.0 and <= 14.1.5
- F5 Big-ip Advanced Firewall Manager >= 15.1.0 and <= 15.1.10
- F5 Big-ip Advanced Firewall Manager >= 16.1.0 and <= 16.1.4
- F5 Big-ip Advanced Firewall Manager
- F5 Big-ip Advanced Web Application Firewall >= 13.1.0 and <= 13.1.5
- F5 Big-ip Advanced Web Application Firewall >= 14.1.0 and <= 14.1.5
- F5 Big-ip Advanced Web Application Firewall >= 15.1.0 and <= 15.1.10
- F5 Big-ip Advanced Web Application Firewall >= 16.1.0 and <= 16.1.4
- F5 Big-ip Advanced Web Application Firewall
- F5 Big-ip Analytics >= 13.1.0 and <= 13.1.5
- F5 Big-ip Analytics >= 14.1.0 and <= 14.1.5
- F5 Big-ip Analytics >= 15.1.0 and <= 15.1.10
- F5 Big-ip Analytics >= 16.1.0 and <= 16.1.4
- F5 Big-ip Analytics
- F5 Big-ip Application Acceleration Manager >= 13.1.0 and <= 13.1.5
- F5 Big-ip Application Acceleration Manager >= 14.1.0 and <= 14.1.5
- F5 Big-ip Application Acceleration Manager >= 15.1.0 and <= 15.1.10
- F5 Big-ip Application Acceleration Manager >= 16.1.0 and <= 16.1.4
- F5 Big-ip Application Acceleration Manager
- F5 Big-ip Application Security Manager >= 13.1.0 and <= 13.1.5
- F5 Big-ip Application Security Manager >= 14.1.0 and <= 14.1.5
- F5 Big-ip Application Security Manager >= 15.1.0 and <= 15.1.10
- F5 Big-ip Application Security Manager >= 16.1.0 and <= 16.1.4
- F5 Big-ip Application Security Manager
- F5 Big-ip Application Visibility And Reporting >= 13.1.0 and <= 13.1.5
- F5 Big-ip Application Visibility And Reporting >= 14.1.0 and <= 14.1.5
- F5 Big-ip Application Visibility And Reporting >= 15.1.0 and <= 15.1.10
- F5 Big-ip Application Visibility And Reporting >= 16.1.0 and <= 16.1.4
- F5 Big-ip Application Visibility And Reporting
- F5 Big-ip Carrier-grade Nat >= 13.1.0 and <= 13.1.5
- F5 Big-ip Carrier-grade Nat >= 14.1.0 and <= 14.1.5
- F5 Big-ip Carrier-grade Nat >= 15.1.0 and <= 15.1.10
- F5 Big-ip Carrier-grade Nat >= 16.1.0 and <= 16.1.4
- F5 Big-ip Carrier-grade Nat
- F5 Big-ip Ddos Hybrid Defender >= 13.1.0 and <= 13.1.5
- F5 Big-ip Ddos Hybrid Defender >= 14.1.0 and <= 14.1.5
- F5 Big-ip Ddos Hybrid Defender >= 15.1.0 and <= 15.1.10
- F5 Big-ip Ddos Hybrid Defender >= 16.1.0 and <= 16.1.4
- F5 Big-ip Ddos Hybrid Defender
- F5 Big-ip Domain Name System >= 13.1.0 and <= 13.1.5
- F5 Big-ip Domain Name System >= 14.1.0 and <= 14.1.5
- F5 Big-ip Domain Name System >= 15.1.0 and <= 15.1.10
- F5 Big-ip Domain Name System >= 16.1.0 and <= 16.1.4
- F5 Big-ip Domain Name System
- F5 Big-ip Fraud Protection Service >= 13.1.0 and <= 13.1.5
- F5 Big-ip Fraud Protection Service >= 14.1.0 and <= 14.1.5
- F5 Big-ip Fraud Protection Service >= 15.1.0 and <= 15.1.10
- F5 Big-ip Fraud Protection Service >= 16.1.0 and <= 16.1.4
- F5 Big-ip Fraud Protection Service
- F5 Big-ip Global Traffic Manager >= 13.1.0 and <= 13.1.5
- F5 Big-ip Global Traffic Manager >= 14.1.0 and <= 14.1.5
- F5 Big-ip Global Traffic Manager >= 15.1.0 and <= 15.1.10
- F5 Big-ip Global Traffic Manager >= 16.1.0 and <= 16.1.4
- F5 Big-ip Global Traffic Manager
- F5 Big-ip Link Controller >= 13.1.0 and <= 13.1.5
- F5 Big-ip Link Controller >= 14.1.0 and <= 14.1.5
- F5 Big-ip Link Controller >= 15.1.0 and <= 15.1.10
- F5 Big-ip Link Controller >= 16.1.0 and <= 16.1.4
- F5 Big-ip Link Controller
- F5 Big-ip Local Traffic Manager >= 13.1.0 and <= 13.1.5
- F5 Big-ip Local Traffic Manager >= 14.1.0 and <= 14.1.5
- F5 Big-ip Local Traffic Manager >= 15.1.0 and <= 15.1.10
- F5 Big-ip Local Traffic Manager >= 16.1.0 and <= 16.1.4
- F5 Big-ip Local Traffic Manager
- F5 Big-ip Next
- F5 Big-ip Next Service Proxy For Kubernetes >= 1.5.0 and <= 1.8.2
- F5 Big-ip Policy Enforcement Manager >= 13.1.0 and <= 13.1.5
- F5 Big-ip Policy Enforcement Manager >= 14.1.0 and <= 14.1.5
- F5 Big-ip Policy Enforcement Manager >= 15.1.0 and <= 15.1.10
- F5 Big-ip Policy Enforcement Manager >= 16.1.0 and <= 16.1.4
- F5 Big-ip Policy Enforcement Manager
- F5 Big-ip Ssl Orchestrator >= 13.1.0 and <= 13.1.5
- F5 Big-ip Ssl Orchestrator >= 14.1.0 and <= 14.1.5
- F5 Big-ip Ssl Orchestrator >= 15.1.0 and <= 15.1.10
- F5 Big-ip Ssl Orchestrator >= 16.1.0 and <= 16.1.4
- F5 Big-ip Ssl Orchestrator
- F5 Big-ip Webaccelerator >= 13.1.0 and <= 13.1.5
- F5 Big-ip Webaccelerator >= 14.1.0 and <= 14.1.5
- F5 Big-ip Webaccelerator >= 15.1.0 and <= 15.1.10
- F5 Big-ip Webaccelerator >= 16.1.0 and <= 16.1.4
- F5 Big-ip Webaccelerator
- F5 Big-ip Websafe >= 13.1.0 and <= 13.1.5
- F5 Big-ip Websafe >= 14.1.0 and <= 14.1.5
- F5 Big-ip Websafe >= 15.1.0 and <= 15.1.10
- F5 Big-ip Websafe >= 16.1.0 and <= 16.1.4
- F5 Big-ip Websafe
- F5 Nginx >= 1.9.5 and <= 1.25.2
- F5 Nginx Ingress Controller >= 2.0.0 and <= 2.4.2
- F5 Nginx Ingress Controller >= 3.0.0 and <= 3.3.0
- F5 Nginx Plus >= r25 and < r29
- F5 Nginx Plus
- Apache Tomcat >= 8.5.0 and <= 8.5.93
- Apache Tomcat >= 9.0.0 and <= 9.0.80
- Apache Tomcat >= 10.1.0 and <= 10.1.13
- Apache Tomcat
- Apple Swiftnio Http\/2 < 1.28.0
- Grpc Grpc < 1.56.3
- Grpc Grpc <= 1.59.2
- Grpc Grpc >= 1.58.0 and < 1.58.3
- Grpc Grpc
- Microsoft .net >= 6.0.0 and < 6.0.23
- Microsoft .net >= 7.0.0 and < 7.0.12
- Microsoft Asp.net Core >= 6.0.0 and < 6.0.23
- Microsoft Asp.net Core >= 7.0.0 and < 7.0.12
- Microsoft Azure Kubernetes Service < 2023-10-08
- Microsoft Visual Studio 2022 >= 17.0 and < 17.2.20
- Microsoft Visual Studio 2022 >= 17.4 and < 17.4.12
- Microsoft Visual Studio 2022 >= 17.6 and < 17.6.8
- Microsoft Visual Studio 2022 >= 17.7 and < 17.7.5
- Microsoft Windows 10 1607 < 10.0.14393.6351
- Microsoft Windows 10 1809 < 10.0.17763.4974
- Microsoft Windows 10 21h2 < 10.0.19044.3570
- Microsoft Windows 10 22h2 < 10.0.19045.3570
- Microsoft Windows 11 21h2 < 10.0.22000.2538
- Microsoft Windows 11 22h2 < 10.0.22621.2428
- Microsoft Windows Server 2016
- Microsoft Windows Server 2019
- Microsoft Windows Server 2022
- Nodejs Node.js >= 18.0.0 and < 18.18.2
- Nodejs Node.js >= 20.0.0 and < 20.8.1
- Microsoft Cbl-mariner < 2023-10-11
- Dena H2o < 2023-10-10
- Facebook Proxygen < 2023.10.16.00
- Apache Apisix < 3.6.1
- Apache Traffic Server >= 8.0.0 and < 8.1.9
- Apache Traffic Server >= 9.0.0 and < 9.2.3
- Amazon Opensearch Data Prepper < 2.5.0
- Debian Debian Linux
- Kazu-yamamoto Http2 < 4.2.2
- Istio Istio < 1.17.6
- Istio Istio >= 1.18.0 and < 1.18.3
- Istio Istio >= 1.19.0 and < 1.19.1
- Varnish Cache Project Varnish Cache < 2023-10-10
- Traefik Traefik < 2.10.5
- Traefik Traefik
- Projectcontour Contour < 2023-10-11
- Linkerd Linkerd >= 2.12.0 and <= 2.12.5
- Linkerd Linkerd
- Linecorp Armeria < 1.26.0
- Redhat 3scale Api Management Platform
- Redhat Advanced Cluster Management For Kubernetes
- Redhat Advanced Cluster Security
- Redhat Ansible Automation Platform
- Redhat Build Of Optaplanner
- Redhat Build Of Quarkus
- Redhat Ceph Storage
- Redhat Cert-manager Operator For Red Hat Openshift
- Redhat Certification For Red Hat Enterprise Linux
- Redhat Cost Management
- Redhat Cryostat
- Redhat Decision Manager
- Redhat Fence Agents Remediation Operator
- Redhat Integration Camel For Spring Boot
- Redhat Integration Camel K
- Redhat Integration Service Registry
- Redhat Jboss A-mq
- Redhat Jboss A-mq Streams
- Redhat Jboss Core Services
- Redhat Jboss Data Grid
- Redhat Jboss Enterprise Application Platform
- Redhat Jboss Fuse
- Redhat Logging Subsystem For Red Hat Openshift
- Redhat Machine Deletion Remediation Operator
- Redhat Migration Toolkit For Applications
- Redhat Migration Toolkit For Containers
- Redhat Migration Toolkit For Virtualization
- Redhat Network Observability Operator
- Redhat Node Healthcheck Operator
- Redhat Node Maintenance Operator
- Redhat Openshift
- Redhat Openshift Api For Data Protection
- Redhat Openshift Container Platform
- Redhat Openshift Container Platform Assisted Installer
- Redhat Openshift Data Science
- Redhat Openshift Dev Spaces
- Redhat Openshift Developer Tools And Services
- Redhat Openshift Distributed Tracing
- Redhat Openshift Gitops
- Redhat Openshift Pipelines
- Redhat Openshift Sandboxed Containers
- Redhat Openshift Secondary Scheduler Operator
- Redhat Openshift Serverless
- Redhat Openshift Service Mesh
- Redhat Openshift Virtualization
- Redhat Openstack Platform
- Redhat Process Automation
- Redhat Quay
- Redhat Run Once Duration Override Operator
- Redhat Satellite
- Redhat Self Node Remediation Operator
- Redhat Service Interconnect
- Redhat Single Sign-on
- Redhat Support For Spring Boot
- Redhat Web Terminal
- Redhat Enterprise Linux
- Redhat Service Telemetry Framework
- Fedoraproject Fedora
- Netapp Astra Control Center
- Netapp Oncommand Insight
- Akka Http Server < 10.5.3
- Konghq Kong Gateway < 3.4.2
- Jenkins Jenkins <= 2.414.2
- Jenkins Jenkins <= 2.427
- Apache Solr < 9.4.0
- Openresty Openresty < 1.21.4.3
- Cisco Business Process Automation < 3.2.003.009
- Cisco Connected Mobile Experiences < 11.1
- Cisco Crosswork Data Gateway < 4.1.3
- Cisco Crosswork Data Gateway >= 5.0.0 and < 5.0.2
- Cisco Crosswork Situation Manager
- Cisco Crosswork Zero Touch Provisioning < 6.0.0
- Cisco Data Center Network Manager
- Cisco Enterprise Chat And Email
- Cisco Expressway < x14.3.3
- Cisco Iot Field Network Director < 4.11.0
- Cisco Prime Access Registrar < 9.3.3
- Cisco Prime Cable Provisioning < 7.2.1
- Cisco Prime Infrastructure < 3.10.4
- Cisco Prime Network Registrar < 11.2
- Cisco Secure Dynamic Attributes Connector < 2.2.0
- Cisco Secure Firewall Threat Defense < 7.4.2
- Cisco Secure Malware Analytics < 2.19.2
- Cisco Telepresence Video Communication Server < x14.3.3
- Cisco Ultra Cloud Core - Policy Control Function < 2024.01.0
- Cisco Ultra Cloud Core - Policy Control Function
- Cisco Ultra Cloud Core - Serving Gateway Function < 2024.02.0
- Cisco Ultra Cloud Core - Session Management Function < 2024.02.0
- Cisco Unified Attendant Console Advanced
- Cisco Unified Contact Center Domain Manager
- Cisco Unified Contact Center Enterprise
- Cisco Unified Contact Center Enterprise - Live Data Server < 12.6.2
- Cisco Unified Contact Center Management Portal
- Cisco Fog Director < 1.22
- Cisco Ios Xe < 17.15.1
- Cisco Ios Xr < 7.11.2
- Cisco Secure Web Appliance Firmware < 15.1.0
- Cisco Nx-os < 10.2\(7\)
- Cisco Nx-os >= 10.3\(1\) and < 10.3\(5\)
- Cisco Nx-os >= 10.4\(1\) and < 10.4\(2\)
- Siemens Sinec Ins 1.0
- Siemens Sinec Nms 3.0
- Siemens St7 Scadaconnect 1.1
- Nghttp2 Nghttp2 1.57.0
- Netty Netty 4.1.100
- Eclipse Jetty 9.4.53
- Eclipse Jetty 10.0.17
- Eclipse Jetty 11.0.17
- Eclipse Jetty 12.0.2
- Caddyserver Caddy 2.7.5
- Golang Go 1.20.10
- Golang Go 1.21.3
- Golang Http2 0.17.0
- Golang Networking 0.17.0
- F5 Nginx Plus r29
- Apple Swiftnio Http\/2 1.28.0
- Grpc Grpc 1.56.3
- Grpc Grpc 1.58.3
- Microsoft .net 6.0.23
- Microsoft .net 7.0.12
- Microsoft Asp.net Core 6.0.23
- Microsoft Asp.net Core 7.0.12
- Microsoft Azure Kubernetes Service 2023-10-08
- Microsoft Visual Studio 2022 17.2.20
- Microsoft Visual Studio 2022 17.4.12
- Microsoft Visual Studio 2022 17.6.8
- Microsoft Visual Studio 2022 17.7.5
- Microsoft Windows 10 1607 10.0.14393.6351
- Microsoft Windows 10 1809 10.0.17763.4974
- Microsoft Windows 10 21h2 10.0.19044.3570
- Microsoft Windows 10 22h2 10.0.19045.3570
- Microsoft Windows 11 21h2 10.0.22000.2538
- Microsoft Windows 11 22h2 10.0.22621.2428
- Nodejs Node.js 18.18.2
- Nodejs Node.js 20.8.1
- Microsoft Cbl-mariner 2023-10-11
- Dena H2o 2023-10-10
- Facebook Proxygen 2023.10.16.00
- Apache Apisix 3.6.1
- Apache Traffic Server 8.1.9
- Apache Traffic Server 9.2.3
- Amazon Opensearch Data Prepper 2.5.0
- Kazu-yamamoto Http2 4.2.2
- Istio Istio 1.17.6
- Istio Istio 1.18.3
- Istio Istio 1.19.1
- Varnish Cache Project Varnish Cache 2023-10-10
- Traefik Traefik 2.10.5
- Projectcontour Contour 2023-10-11
- Linecorp Armeria 1.26.0
- Akka Http Server 10.5.3
- Konghq Kong Gateway 3.4.2
- Apache Solr 9.4.0
- Openresty Openresty 1.21.4.3
- Cisco Business Process Automation 3.2.003.009
- Cisco Connected Mobile Experiences 11.1
- Cisco Crosswork Data Gateway 4.1.3
- Cisco Crosswork Data Gateway 5.0.2
- Cisco Crosswork Zero Touch Provisioning 6.0.0
- Cisco Expressway x14.3.3
- Cisco Iot Field Network Director 4.11.0
- Cisco Prime Access Registrar 9.3.3
- Cisco Prime Cable Provisioning 7.2.1
- Cisco Prime Infrastructure 3.10.4
- Cisco Prime Network Registrar 11.2
- Cisco Secure Dynamic Attributes Connector 2.2.0
- Cisco Secure Firewall Threat Defense 7.4.2
- Cisco Secure Malware Analytics 2.19.2
- Cisco Telepresence Video Communication Server x14.3.3
- Cisco Ultra Cloud Core - Policy Control Function 2024.01.0
- Cisco Ultra Cloud Core - Serving Gateway Function 2024.02.0
- Cisco Ultra Cloud Core - Session Management Function 2024.02.0
- Cisco Unified Contact Center Enterprise - Live Data Server 12.6.2
- Cisco Fog Director 1.22
- Cisco Ios Xe 17.15.1
- Cisco Ios Xr 7.11.2
- Cisco Secure Web Appliance Firmware 15.1.0
- Cisco Nx-os 10.2\(7\)
- Cisco Nx-os 10.3\(5\)
- Cisco Nx-os 10.4\(2\)
External References
- http://www.openwall.com/lists/oss-security/2023/10/10/6
- http://www.openwall.com/lists/oss-security/2023/10/10/7
- http://www.openwall.com/lists/oss-security/2023/10/13/4
- http://www.openwall.com/lists/oss-security/2023/10/13/9
- http://www.openwall.com/lists/oss-security/2023/10/18/4
- http://www.openwall.com/lists/oss-security/2023/10/18/8
- http://www.openwall.com/lists/oss-security/2023/10/19/6
- http://www.openwall.com/lists/oss-security/2023/10/20/8
- https://access.redhat.com/security/cve/cve-2023-44487
- https://arstechnica.com/security/2023/10/how-ddosers-used-the-http-2-protocol-to-deliver-attacks-of-unprecedented-size/
- https://aws.amazon.com/security/security-bulletins/AWS-2023-011/
- https://blog.cloudflare.com/technical-breakdown-http2-rapid-reset-ddos-attack/
- https://blog.cloudflare.com/zero-day-rapid-reset-http2-record-breaking-ddos-attack/
- https://blog.litespeedtech.com/2023/10/11/rapid-reset-http-2-vulnerablilty/
- https://blog.qualys.com/vulnerabilities-threat-research/2023/10/10/cve-2023-44487-http-2-rapid-reset-attack
- https://blog.vespa.ai/cve-2023-44487/
- https://bugzilla.proxmox.com/show_bug.cgi?id=4988
- https://bugzilla.redhat.com/show_bug.cgi?id=2242803
- https://bugzilla.suse.com/show_bug.cgi?id=1216123
- https://cgit.freebsd.org/ports/commit/?id=c64c329c2c1752f46b73e3e6ce9f4329be6629f9
- https://cloud.google.com/blog/products/identity-security/google-cloud-mitigated-largest-ddos-attack-peaking-above-398-million-rps/
- https://cloud.google.com/blog/products/identity-security/how-it-works-the-novel-http2-rapid-reset-ddos-attack
- https://community.traefik.io/t/is-traefik-vulnerable-to-cve-2023-44487/20125
- https://discuss.hashicorp.com/t/hcsec-2023-32-vault-consul-and-boundary-affected-by-http-2-rapid-reset-denial-of-service-vulnerability-cve-2023-44487/59715
- https://edg.io/lp/blog/resets-leaks-ddos-and-the-tale-of-a-hidden-cve
- https://forums.swift.org/t/swift-nio-http2-security-update-cve-2023-44487-http-2-dos/67764
- https://gist.github.com/adulau/7c2bfb8e9cdbe4b35a5e131c66a0c088
- https://github.com/Azure/AKS/issues/3947
- https://github.com/Kong/kong/discussions/11741
- https://github.com/advisories/GHSA-qppj-fm5r-hxr3
- https://github.com/advisories/GHSA-vx74-f528-fxqg
- https://github.com/advisories/GHSA-xpw8-rcwv-8f8p
- https://github.com/akka/akka-http/issues/4323
- https://github.com/alibaba/tengine/issues/1872
- https://github.com/apache/apisix/issues/10320
- https://github.com/apache/httpd-site/pull/10
- https://github.com/apache/httpd/blob/afcdbeebbff4b0c50ea26cdd16e178c0d1f24152/modules/http2/h2_mplx.c#L1101-L1113
- https://github.com/apache/tomcat/tree/main/java/org/apache/coyote/http2
- https://github.com/apache/trafficserver/pull/10564
- https://github.com/arkrwn/PoC/tree/main/CVE-2023-44487
- https://github.com/bcdannyboy/CVE-2023-44487
- https://github.com/caddyserver/caddy/issues/5877
- https://github.com/caddyserver/caddy/releases/tag/v2.7.5
- https://github.com/dotnet/announcements/issues/277
- https://github.com/dotnet/core/blob/e4613450ea0da7fd2fc6b61dfb2c1c1dec1ce9ec/release-notes/6.0/6.0.23/6.0.23.md?plain=1#L73
- https://github.com/eclipse/jetty.project/issues/10679
- https://github.com/envoyproxy/envoy/pull/30055
- https://github.com/etcd-io/etcd/issues/16740
- https://github.com/facebook/proxygen/pull/466
- https://github.com/golang/go/issues/63417
- https://github.com/grpc/grpc-go/pull/6703
- https://github.com/grpc/grpc/releases/tag/v1.59.2
- https://github.com/h2o/h2o/pull/3291
- https://github.com/h2o/h2o/security/advisories/GHSA-2m7v-gc89-fjqf
- https://github.com/haproxy/haproxy/issues/2312
- https://github.com/icing/mod_h2/blob/0a864782af0a942aa2ad4ed960a6b32cd35bcf0a/mod_http2/README.md?plain=1#L239-L244
- https://github.com/junkurihara/rust-rpxy/issues/97
- https://github.com/kazu-yamamoto/http2/commit/f61d41a502bd0f60eb24e1ce14edc7b6df6722a1
- https://github.com/kazu-yamamoto/http2/issues/93
- https://github.com/kubernetes/kubernetes/pull/121120
- https://github.com/line/armeria/pull/5232
- https://github.com/linkerd/website/pull/1695/commits/4b9c6836471bc8270ab48aae6fd2181bc73fd632
- https://github.com/micrictor/http2-rst-stream
- https://github.com/microsoft/CBL-Mariner/pull/6381
- https://github.com/netty/netty/commit/58f75f665aa81a8cbcf6ffa74820042a285c5e61
- https://github.com/nghttp2/nghttp2/pull/1961
- https://github.com/nghttp2/nghttp2/releases/tag/v1.57.0
- https://github.com/ninenines/cowboy/issues/1615
- https://github.com/nodejs/node/pull/50121
- https://github.com/openresty/openresty/issues/930
- https://github.com/opensearch-project/data-prepper/issues/3474
- https://github.com/oqtane/oqtane.framework/discussions/3367
- https://github.com/projectcontour/contour/pull/5826
- https://github.com/tempesta-tech/tempesta/issues/1986
- https://github.com/varnishcache/varnish-cache/issues/3996
- https://groups.google.com/g/golang-announce/c/iNNxDTCjZvo
- https://istio.io/latest/news/security/istio-security-2023-004/
- https://linkerd.io/2023/10/12/linkerd-cve-2023-44487/
- https://lists.apache.org/thread/5py8h42mxfsn8l1wy6o41xwhsjlsd87q
- https://lists.debian.org/debian-lts-announce/2023/10/msg00020.html
- https://lists.debian.org/debian-lts-announce/2023/10/msg00023.html
- https://lists.debian.org/debian-lts-announce/2023/10/msg00024.html
- https://lists.debian.org/debian-lts-announce/2023/10/msg00045.html
- https://lists.debian.org/debian-lts-announce/2023/10/msg00047.html
- https://lists.debian.org/debian-lts-announce/2023/11/msg00001.html
- https://lists.debian.org/debian-lts-announce/2023/11/msg00012.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2MBEPPC36UBVOZZNAXFHKLFGSLCMN5LI/
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- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZLU6U2R2IC2K64NDPNMV55AUAO65MAF4/
- https://lists.w3.org/Archives/Public/ietf-http-wg/2023OctDec/0025.html
- https://mailman.nginx.org/pipermail/nginx-devel/2023-October/S36Q5HBXR7CAIMPLLPRSSSYR4PCMWILK.html
- https://martinthomson.github.io/h2-stream-limits/draft-thomson-httpbis-h2-stream-limits.html
- https://msrc.microsoft.com/blog/2023/10/microsoft-response-to-distributed-denial-of-service-ddos-attacks-against-http/2/
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-44487
- https://my.f5.com/manage/s/article/K000137106
- https://netty.io/news/2023/10/10/4-1-100-Final.html
- https://news.ycombinator.com/item?id=37830987
- https://news.ycombinator.com/item?id=37830998
- https://news.ycombinator.com/item?id=37831062
- https://news.ycombinator.com/item?id=37837043
- https://openssf.org/blog/2023/10/10/http-2-rapid-reset-vulnerability-highlights-need-for-rapid-response/
- https://seanmonstar.com/post/730794151136935936/hyper-http2-rapid-reset-unaffected
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-http2-reset-d8Kf32vZ
- https://security.gentoo.org/glsa/202311-09
- https://security.netapp.com/advisory/ntap-20231016-0001/
- https://security.netapp.com/advisory/ntap-20240426-0007/
- https://security.netapp.com/advisory/ntap-20240621-0006/
- https://security.netapp.com/advisory/ntap-20240621-0007/
- https://security.paloaltonetworks.com/CVE-2023-44487
- https://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.1.14
- https://ubuntu.com/security/CVE-2023-44487
- https://www.bleepingcomputer.com/news/security/new-http-2-rapid-reset-zero-day-attack-breaks-ddos-records/
- https://www.cisa.gov/news-events/alerts/2023/10/10/http2-rapid-reset-vulnerability-cve-2023-44487
- https://www.darkreading.com/cloud/internet-wide-zero-day-bug-fuels-largest-ever-ddos-event
- https://www.debian.org/security/2023/dsa-5521
- https://www.debian.org/security/2023/dsa-5522
- https://www.debian.org/security/2023/dsa-5540
- https://www.debian.org/security/2023/dsa-5549
- https://www.debian.org/security/2023/dsa-5558
- https://www.debian.org/security/2023/dsa-5570
- https://www.haproxy.com/blog/haproxy-is-not-affected-by-the-http-2-rapid-reset-attack-cve-2023-44487
- https://www.netlify.com/blog/netlify-successfully-mitigates-cve-2023-44487/
- https://www.nginx.com/blog/http-2-rapid-reset-attack-impacting-f5-nginx-products/
- https://www.openwall.com/lists/oss-security/2023/10/10/6
- https://www.phoronix.com/news/HTTP2-Rapid-Reset-Attack
- https://www.theregister.com/2023/10/10/http2_rapid_reset_zeroday/
- http://www.openwall.com/lists/oss-security/2023/10/13/4
- http://www.openwall.com/lists/oss-security/2023/10/13/9
- http://www.openwall.com/lists/oss-security/2023/10/18/4
- http://www.openwall.com/lists/oss-security/2023/10/18/8
- http://www.openwall.com/lists/oss-security/2023/10/19/6
- http://www.openwall.com/lists/oss-security/2023/10/20/8
- http://www.openwall.com/lists/oss-security/2025/08/13/6
- https://access.redhat.com/security/cve/cve-2023-44487
- https://arstechnica.com/security/2023/10/how-ddosers-used-the-http-2-protocol-to-deliver-attacks-of-unprecedented-size/
- https://aws.amazon.com/security/security-bulletins/AWS-2023-011/
- https://blog.cloudflare.com/technical-breakdown-http2-rapid-reset-ddos-attack/
- https://blog.cloudflare.com/zero-day-rapid-reset-http2-record-breaking-ddos-attack/
- https://blog.litespeedtech.com/2023/10/11/rapid-reset-http-2-vulnerablilty/
- https://blog.qualys.com/vulnerabilities-threat-research/2023/10/10/cve-2023-44487-http-2-rapid-reset-attack
- https://blog.vespa.ai/cve-2023-44487/
- https://bugzilla.proxmox.com/show_bug.cgi?id=4988
- https://bugzilla.redhat.com/show_bug.cgi?id=2242803
- https://bugzilla.suse.com/show_bug.cgi?id=1216123
- https://cgit.freebsd.org/ports/commit/?id=c64c329c2c1752f46b73e3e6ce9f4329be6629f9
- https://cloud.google.com/blog/products/identity-security/google-cloud-mitigated-largest-ddos-attack-peaking-above-398-million-rps/
- https://cloud.google.com/blog/products/identity-security/how-it-works-the-novel-http2-rapid-reset-ddos-attack
- https://community.traefik.io/t/is-traefik-vulnerable-to-cve-2023-44487/20125
- https://discuss.hashicorp.com/t/hcsec-2023-32-vault-consul-and-boundary-affected-by-http-2-rapid-reset-denial-of-service-vulnerability-cve-2023-44487/59715
- https://edg.io/lp/blog/resets-leaks-ddos-and-the-tale-of-a-hidden-cve
- https://forums.swift.org/t/swift-nio-http2-security-update-cve-2023-44487-http-2-dos/67764
- https://gist.github.com/adulau/7c2bfb8e9cdbe4b35a5e131c66a0c088
- https://github.com/Azure/AKS/issues/3947
- https://github.com/Kong/kong/discussions/11741
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- https://github.com/advisories/GHSA-vx74-f528-fxqg
- https://github.com/advisories/GHSA-xpw8-rcwv-8f8p
- https://github.com/akka/akka-http/issues/4323
- https://github.com/alibaba/tengine/issues/1872
- https://github.com/apache/apisix/issues/10320
- https://github.com/apache/httpd-site/pull/10
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- https://github.com/apache/tomcat/tree/main/java/org/apache/coyote/http2
- https://github.com/apache/trafficserver/pull/10564
- https://github.com/arkrwn/PoC/tree/main/CVE-2023-44487
- https://github.com/bcdannyboy/CVE-2023-44487
- https://github.com/caddyserver/caddy/issues/5877
- https://github.com/caddyserver/caddy/releases/tag/v2.7.5
- https://github.com/dotnet/announcements/issues/277
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- https://github.com/eclipse/jetty.project/issues/10679
- https://github.com/envoyproxy/envoy/pull/30055
- https://github.com/etcd-io/etcd/issues/16740
- https://github.com/facebook/proxygen/pull/466
- https://github.com/golang/go/issues/63417
- https://github.com/grpc/grpc-go/pull/6703
- https://github.com/h2o/h2o/pull/3291
- https://github.com/h2o/h2o/security/advisories/GHSA-2m7v-gc89-fjqf
- https://github.com/haproxy/haproxy/issues/2312
- https://github.com/icing/mod_h2/blob/0a864782af0a942aa2ad4ed960a6b32cd35bcf0a/mod_http2/README.md?plain=1#L239-L244
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- https://github.com/kazu-yamamoto/http2/issues/93
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- https://github.com/ninenines/cowboy/issues/1615
- https://github.com/nodejs/node/pull/50121
- https://github.com/openresty/openresty/issues/930
- https://github.com/opensearch-project/data-prepper/issues/3474
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- https://github.com/projectcontour/contour/pull/5826
- https://github.com/tempesta-tech/tempesta/issues/1986
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- https://groups.google.com/g/golang-announce/c/iNNxDTCjZvo
- https://istio.io/latest/news/security/istio-security-2023-004/
- https://linkerd.io/2023/10/12/linkerd-cve-2023-44487/
- https://lists.apache.org/thread/5py8h42mxfsn8l1wy6o41xwhsjlsd87q
- https://lists.debian.org/debian-lts-announce/2023/10/msg00020.html
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- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZLU6U2R2IC2K64NDPNMV55AUAO65MAF4/
- https://lists.w3.org/Archives/Public/ietf-http-wg/2023OctDec/0025.html
- https://mailman.nginx.org/pipermail/nginx-devel/2023-October/S36Q5HBXR7CAIMPLLPRSSSYR4PCMWILK.html
- https://martinthomson.github.io/h2-stream-limits/draft-thomson-httpbis-h2-stream-limits.html
- https://msrc.microsoft.com/blog/2023/10/microsoft-response-to-distributed-denial-of-service-ddos-attacks-against-http/2/
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-44487
- https://my.f5.com/manage/s/article/K000137106
- https://netty.io/news/2023/10/10/4-1-100-Final.html
- https://news.ycombinator.com/item?id=37830987
- https://news.ycombinator.com/item?id=37830998
- https://news.ycombinator.com/item?id=37831062
- https://news.ycombinator.com/item?id=37837043
- https://openssf.org/blog/2023/10/10/http-2-rapid-reset-vulnerability-highlights-need-for-rapid-response/
- https://seanmonstar.com/post/730794151136935936/hyper-http2-rapid-reset-unaffected
- https://security.gentoo.org/glsa/202311-09
- https://security.netapp.com/advisory/ntap-20231016-0001/
- https://security.netapp.com/advisory/ntap-20240426-0007/
- https://security.netapp.com/advisory/ntap-20240621-0006/
- https://security.netapp.com/advisory/ntap-20240621-0007/
- https://security.paloaltonetworks.com/CVE-2023-44487
- https://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.1.14
- https://ubuntu.com/security/CVE-2023-44487
- https://www.bleepingcomputer.com/news/security/new-http-2-rapid-reset-zero-day-attack-breaks-ddos-records/
- https://www.cisa.gov/news-events/alerts/2023/10/10/http2-rapid-reset-vulnerability-cve-2023-44487
- https://www.darkreading.com/cloud/internet-wide-zero-day-bug-fuels-largest-ever-ddos-event
- https://www.debian.org/security/2023/dsa-5521
- https://www.debian.org/security/2023/dsa-5522
- https://www.debian.org/security/2023/dsa-5540
- https://www.debian.org/security/2023/dsa-5549
- https://www.debian.org/security/2023/dsa-5558
- https://www.debian.org/security/2023/dsa-5570
- https://www.haproxy.com/blog/haproxy-is-not-affected-by-the-http-2-rapid-reset-attack-cve-2023-44487
- https://www.netlify.com/blog/netlify-successfully-mitigates-cve-2023-44487/
- https://www.nginx.com/blog/http-2-rapid-reset-attack-impacting-f5-nginx-products/
- https://www.openwall.com/lists/oss-security/2023/10/10/6
- https://www.phoronix.com/news/HTTP2-Rapid-Reset-Attack
- https://www.theregister.com/2023/10/10/http2_rapid_reset_zeroday/
- https://www.vicarius.io/vsociety/posts/rapid-reset-cve-2023-44487-dos-in-http2-understanding-the-root-cause
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html
- https://cert-portal.siemens.com/productcert/html/ssa-341067.html
- https://cert-portal.siemens.com/productcert/html/ssa-784301.html
- https://cert-portal.siemens.com/productcert/html/ssa-832273.html
- https://cert-portal.siemens.com/productcert/html/ssa-915275.html
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-44487