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October 14, 2026

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CVE-2019-9169NVD

Vulnerability Summary

In the GNU C Library (aka glibc or libc6) through 2.29, proceed_next_node in posix/regexec.c has a heap-based buffer over-read via an attempted case-insensitive regular-expression match.
Severity Level
CRITICAL(9.8)
Published Date
Feb 26, 2019
Last Modified
Oct 14, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
4.73%Probability
Root Weakness (CWE)
CWE-125: Out-of-bounds Read ↗
The software reads data past the end, or before the beginning, of the intended buffer.
CVSS v3.1 Base Metrics — Score 9.8 (CRITICAL)
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

Affected & Patched Versions

Affected Versions
  • Gnu Glibc <= 2.29
  • Netapp Cloud Backup
  • Netapp Ontap Select Deploy Administration Utility
  • Netapp Steelstore Cloud Integrated Storage
  • Mcafee Web Gateway >= 7.7.2.0 and < 7.7.2.21
  • Mcafee Web Gateway >= 7.8.2.0 and < 7.8.2.8
  • Mcafee Web Gateway >= 8.0.0 and < 8.1.1
  • Canonical Ubuntu Linux
Patched Versions
  • Mcafee Web Gateway 7.7.2.21
  • Mcafee Web Gateway 7.8.2.8
  • Mcafee Web Gateway 8.1.1
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🚫Ad-Free — Uninterrupted experience.
🎁7-Day Free Trial — Try Pro or Team, no card required.
📧Email Delivery — Threat intel straight to your inbox.
♾️Unlimited Vendors — Track your entire stack.
🚨All New CVEs — Be the first to know.
📈EPSS Spike Alerts — Catch rising risk before it peaks.
🎯Custom EPSS/CVSS — Filter noise, focus on risk.
🛡️Exploit Intel — A 2nd confirmed-exploit signal beyond KEV.
🐙GitHub Issues — Auto-tracked, no duplicates.
📬Weekly Digest — One clean summary, not inbox spam.
🏷️Watchlist Groups — Tag alerts by team (Infra/AppSec/SOC).
💬Webhooks — Slack & Teams integration.
🔀Smart Routing — Critical alerts to one channel, rest to another.
🚫Ad-Free — Uninterrupted experience.

External References