CVE-2015-7194: Mozilla Firefox

High severity, CVSS 7.5. EPSS: 4.2% chance of exploitation in the next 30 days.

Buffer underflow in libjar in Mozilla Firefox before 42.0 and Firefox ESR 38.x before 38.4 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted ZIP archive.

Affected products

• Mozilla Firefox: up to and including 41.0.2; version 38.0 only; version 38.0.1 only; version 38.0.5 only; version 38.1.0 only; version 38.1.1 only; …

Published 2015-11-05. Last modified 2026-06-17.