CVE-2026-16391 | Mozilla Firefox up to 140.12/152 IndexedDB information disclosure

July 21, 2026 Yanac

A vulnerability was found in Mozilla Firefox up to 140.12/152. It has been classified as problematic. This vulnerability affects unknown code of the component IndexedDB. Performing a manipulation results in information disclosure.

This vulnerability is cataloged as CVE-2026-16391. It is possible to initiate the attack remotely. There is no exploit available.VulDB Recent EntriesRead More