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...

CVE-2026-33137

CVE-2026-33137 XWiki Platform - Unauthenticated XAR Import via REST/wikis/wikiName Description The POST /wikis/wikiName REST API endpoint in XWiki Platform executes a XAR XWiki Archive import without performing any authentication or authorization checks. An unauthenticated attacker can create or...

ClamAV XAR File Format Processing Memory Corruption Vulnerability

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SUSE CVE-2026-20348

A vulnerability in the XAR 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 XAR file...

Linux Distros Unpatched Vulnerability : CVE-2026-20348

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 XAR file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition or possibly other expanded...

CVE-2026-20348

A vulnerability in the XAR 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 XAR file...

AZL-95441 CVE-2026-20348 affecting package clamav for versions less than 1.5.4-1

A vulnerability in the XAR 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 XAR file...

CVE-2026-20348

A vulnerability in the XAR 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 XAR file...

UBUNTU-CVE-2026-20348

A vulnerability in the XAR 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 XAR file...

CVE-2026-20348

A vulnerability in the XAR 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 XAR file...

CVE-2026-20348

A vulnerability in the XAR 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 XAR file...

CVE-2026-20348 ClamAV XAR File Format Processing Memory Corruption Vulnerability

A vulnerability in the XAR 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 XAR file...

EUVD-2026-54508

A vulnerability in the XAR 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 XAR file...

CVE-2026-20348 ClamAV XAR File Format Processing Memory Corruption Vulnerability

A vulnerability in the XAR 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 XAR file...

CVE-2026-20348

CVE-2026-20348 affects ClamAV’s XAR file format parser. The issue stems from improper boundary checks for XAR content during scanning, leading to memory corruption. An unauthenticated, remote attacker can submit a crafted XAR file to trigger the vulnerability, potentially causing the ClamAV scann...

CVE-2026-20348

A vulnerability in the XAR 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 XAR file...

CVE-2026-20348: Buffer Copy without Checking Size of Input

A vulnerability in the XAR 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 XAR file...

PT-2026-69076

Name of the Vulnerable Software and Affected Versions ClamAV affected versions not specified Description A flaw in the XAR file format parser allows an unauthenticated remote attacker to cause memory corruption. This occurs due to improper boundary checks for content within XAR files during the...

OPENSUSE-SU-2026:21153-1 Security update for xar

This update for xar fixes the following issues: Changes in xar: - Switch to the maintained Apple xar lineage build 503, versioned 1.8.0.0.503: the mackyle 1.6.1 fork this package tracked has been dead since 2012, and Debian, Fedora and Gentoo all moved to Apple's xar apple-oss-distributions/xar...

GHSA-QRVH-R3F2-9H4R XWiki Platform has an Unauthenticated XAR Import via REST /wikis/{wikiName}

Impact POST /wikis/wikiName executes a XAR import without performing any authentication or authorization checks, allowing an unauthenticated attacker to create or update documents in the target wiki Patches This vulnerability has been patched in XWiki 16.10.17, 17.4.9, 17.10.3, 18.0.1 and...