What’s Vulnerable › Vulnerabilities

CVE-2019-12625: ClamAV Zip Bomb Vulnerability

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-11-05 · updated 2026-06-17
• Weakness: CWE-400

Description

ClamAV versions prior to 0.101.3 are susceptible to a zip bomb vulnerability where an unauthenticated attacker can cause a denial of service condition by sending crafted messages to an affected system.

Affected products

• Cisco ClamAV: before 0.101.3 — fixed in 0.101.3

How to fix

Upgrade to a fixed version: Cisco ClamAV 0.101.3. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00078.html
• http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00000.html
• https://blog.clamav.net/2019/08/clamav-01014-security-patch-release-has.html
• http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00078.html
• http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00000.html
• https://blog.clamav.net/2019/08/clamav-01014-security-patch-release-has.html

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