Cisco disclosed seven ClamAV vulnerabilities that let a remote attacker crash scanning via crafted files. Details are public. Patch now.
ClamAV
Cisco fixes a Cisco Catalyst Center vulnerability (CVE-2026-20191, CVSS 7.5) and seven ClamAV vulnerabilities causing DoS in Secure Endpoint Connectors.
Cisco ClamAV versions 1.4.3 and 1.0.9 fix critical flaws: CVE-2025-20260 (CVSS 9.8) in PDF scanning could allow RCE, and CVE-2025-20234 (UDF) leads to DoS.
Stay informed about the CVE-2025-20128 vulnerability in ClamAV. Discover the risks and steps you can take to mitigate them.
CVE-2024-20380 could allow unauthenticated, remote attackers to crash ClamAV services, causing a Denial-of-Service (DoS) condition.
ClamAV's developers issued critical patches addressing two vulnerabilities (CVE-2024-20328 & CVE-2024-20290) within the library
Once this file undergoes scanning by ClamAV on a compromised device, CVE-2023-20212 can disrupt the ClamAV scanning process
Tracked as CVE-2023-20032 with a CVSS score of 9.8, the critical bug exists because of improper bounds checking