CVE-2026-100790 | Mozilla Firefox up to 115.41/140.16/153.3/156 XSLT use after free

September 29, 2026 Yanac

A vulnerability labeled as critical has been found in Mozilla Firefox up to 115.41/140.16/153.3/156. This affects an unknown part of the component XSLT. Executing a manipulation can lead to use after free.

This vulnerability appears as CVE-2026-100790. The attack may be performed from remote. There is no available exploit.

The affected component should be upgraded.VulDB Recent EntriesRead More