CVE-2026-117978 | Mozilla Firefox up to 115.43/153.5/158 Graphics buffer overflow

October 27, 2026 Yanac

A vulnerability, which was classified as critical, has been found in Mozilla Firefox up to 115.43/153.5/158. Affected by this issue is some unknown functionality of the component Graphics. This manipulation causes buffer overflow.

This vulnerability is handled as CVE-2026-117978. The attack can be initiated remotely. There is not any exploit available.

It is advisable to upgrade the affected component.VulDB Recent EntriesRead More