CVE-2026-109715 | Mozilla Firefox up to 115.42/153.4/157 JavaScript Engine integer overflow

October 13, 2026 Yanac

A vulnerability identified as critical has been detected in Mozilla Firefox up to 115.42/153.4/157. Affected is an unknown function of the component JavaScript Engine. This manipulation causes integer overflow.

The identification of this vulnerability is CVE-2026-109715. It is possible to initiate the attack remotely. There is no exploit available.

You should upgrade the affected component.VulDB Recent EntriesRead More