CVE-2018-1000085: Canonical Ubuntu Linux

Medium severity, CVSS 5.5. EPSS: 1.6% chance of exploitation in the next 30 days.

ClamAV version version 0.99.3 contains a Out of bounds heap memory read vulnerability in XAR parser, function xar_hash_check() that can result in Leaking of memory, may help in developing exploit chains.. This attack appear to be exploitable via The victim must scan a crafted XAR file. This vulnerability appears to have been fixed in after commit d96a6b8bcc7439fa7e3876207aa0a8e79c8451b6.

Affected products

• Canonical Ubuntu Linux: version 12.04 only; version 14.04 only; version 16.04 only; version 17.10 only
• Clamav Clamav: version 0.99.3 only
• Debian Debian Linux: version 7.0 only

Published 2018-03-13. Last modified 2026-06-17.