USN-8788-1 clamav vulnerabilities

It was discovered that ClamAV incorrectly handled certain zip archive files. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. CVE-2026-20337, CVE-2026-20338 It was discovered that ClamAV incorrectly handled certain PESpin files. A remote...

SUSE SLES15: clamav / clamav-devel / clamav-docs-html / clamav-milter / etc (SUSE-SU-2026:4208-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4208-1 advisory. - CVE-2026-20337: Improper boundary checks for content in zip archive parser bsc1274597. - CVE-2026-20338: invalid free due to bad...

SUSE-SU-2026:4208-1 Security update for clamav

This update for clamav fixes the following issues: - CVE-2026-20337: Improper boundary checks for content in zip archive parser bsc1274597. - CVE-2026-20338: invalid free due to bad ownership handling when merging ZIP catalogue records bsc1274598. - CVE-2026-20339: integer overflow in the PESpin...

SUSE SLES12: clamav / clamav-devel / clamav-docs-html / clamav-milter / etc (SUSE-SU-2026:4179-1)

The remote SUSE Linux SLES12 / SLESSAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4179-1 advisory. - CVE-2026-20337: Improper boundary checks for content in zip archive parser bsc1274597. - CVE-2026-20338: invalid free due to bad...

Amazon Linux 2 : clamav1.4, --advisory ALAS2-2026-3894 (ALAS-2026-3894)

The version of clamav1.4 installed on the remote host is prior to 1.4.6-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3894 advisory. A vulnerability in the PESpin file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a Do...

Amazon Linux 2023 : clamav1.5, clamav1.5-data, clamav1.5-devel (ALAS2023-2026-2116)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-2116 advisory. A vulnerability in the PESpin file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition or possibly other expanded impacts as a result of memory...

Amazon Linux 2023 : clamav1.4, clamav1.4-data, clamav1.4-devel (ALAS2023-2026-2084)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-2084 advisory. A vulnerability in the PESpin file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition or possibly other expanded impacts as a result of memory...

Cisco Secure Endpoint Multiple ClamAV DoS (cisco-sa-clamav-WuuvVd26)

According to its self-reported version, Cisco Secure Endpoint is affected by multiple denial of service vulnerabilities. - A vulnerability in the zip archive parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition on an affected device. This vulnerability is due ...

ClamAV PESpin File Format Processing Integer Overflow Vulnerability

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Linux Distros Unpatched Vulnerability : CVE-2026-20339

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A vulnerability in the PESpin file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition or possibly other expanded...

CVE-2026-20339

A vulnerability in the PESpin file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition or possibly other expanded impacts as a result of memory corruption on an affected device. This vulnerability is due to improper boundary checks for content in PESpi...

AZL-95453 CVE-2026-20339 affecting package clamav for versions less than 1.5.4-1

A vulnerability in the PESpin file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition or possibly other expanded impacts as a result of memory corruption on an affected device. This vulnerability is due to improper boundary checks for content in PESpi...

DEBIAN-CVE-2026-20339

A vulnerability in the PESpin file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition or possibly other expanded impacts as a result of memory corruption on an affected device. This vulnerability is due to improper boundary checks for content in PESpi...

CVE-2026-20339

A vulnerability in the PESpin file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition or possibly other expanded impacts as a result of memory corruption on an affected device. This vulnerability is due to improper boundary checks for content in PESpi...

UBUNTU-CVE-2026-20339

A vulnerability in the PESpin file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition or possibly other expanded impacts as a result of memory corruption on an affected device. This vulnerability is due to improper boundary checks for content in PESpi...

CVE-2026-20339 ClamAV PESpin File Format Processing Integer Overflow Vulnerability

A vulnerability in the PESpin file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition or possibly other expanded impacts as a result of memory corruption on an affected device. This vulnerability is due to improper boundary checks for content in PESpi...

CVE-2026-20339

A vulnerability in the PESpin file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition or possibly other expanded impacts as a result of memory corruption on an affected device. This vulnerability is due to improper boundary checks for content in PESpi...

EUVD-2026-54506

A vulnerability in the PESpin file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition or possibly other expanded impacts as a result of memory corruption on an affected device. This vulnerability is due to improper boundary checks for content in PESpi...

CVE-2026-20339

CVE-2026-20339 describes a DoS-ialtering vulnerability in the PESpin file format parser of ClamAV due to improper boundary checks during scanning, which may trigger an integer overflow. An unauthenticated, remote attacker could submit a crafted PESpin-containing file to cause the ClamAV scanning ...

CVE-2026-20339

A vulnerability in the PESpin file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition or possibly other expanded impacts as a result of memory corruption on an affected device. This vulnerability is due to improper boundary checks for content in PESpi...