CVE-2026-20213: ClamAV PE File Format Processing Out-of-Bounds Memory Corruption Vulnerability
A vulnerability in the PE file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition, or possibly other expanded impacts, resulting from memory corruption on an affected device.
Other sources
ClamAV PE File Format Processing Out-of-Bounds Memory Corruption Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/clamavto a version that resolves this vulnerability.Fixed in 1.4.5+dfsg-2 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 1.5.3-1
Event History
Frequently Asked Questions
What is the severity of CVE-2026-20213?
CVE-2026-20213 has a severity score of 7.5, which is classified as high.
How do I fix CVE-2026-20213?
To fix CVE-2026-20213, update to the latest version of ClamAV that addresses this vulnerability.
What impact does CVE-2026-20213 have on systems?
CVE-2026-20213 can lead to a DoS condition and potential memory corruption, affecting the stability of the affected device.
Can CVE-2026-20213 be exploited remotely?
Yes, CVE-2026-20213 can be exploited by an unauthenticated, remote attacker.
What component of ClamAV is affected by CVE-2026-20213?
CVE-2026-20213 affects the PE file format parser within ClamAV.