CVE-2026-12291 UNKNOWN

CVE-2026-12291

Published: 2026-06-16

Description

Use-after-free in the Networking: HTTP component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.

AI Intelligence Brief

AI Intelligence

Analyzing vulnerability vectors…