CVE-2026-74964 | Mozilla Firefox/Firefox ESR up to 140.13/153/153.0 Graphics integer overflow

August 18, 2026 Yanac

A vulnerability was found in Mozilla Firefox and Firefox ESR up to 140.13/153/153.0. It has been rated as critical. This issue affects some unknown processing of the component Graphics. This manipulation causes integer overflow.

This vulnerability is registered as CVE-2026-74964. Remote exploitation of the attack is possible. No exploit is available.

Upgrading the affected component is advised.VulDB Recent EntriesRead More