CVE-2026-20243

A flaw was found in ClamAV's ALZ file format parser. An unauthenticated, remote attacker can exploit this vulnerability by submitting a specially crafted ALZ Archived Link Zipped file for scanning. This improper handling of ALZ files can lead to memory corruption, causing the ClamAV scanning...

CVE-2026-20243

A vulnerability in the ALZ 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. This vulnerability is due to improper boundary checks for content in ALZ...

PT-2026-54708

Name of the Vulnerable Software and Affected Versions ClamAV affected versions not specified Description An issue exists in the ALZ file format parser where improper boundary checks for content during scanning can lead to an out-of-bounds buffer write. A remote, unauthenticated attacker can explo...