CVE-2026-84124 UNKNOWN

CVE-2026-84124

Published: 2026-09-01

Description

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 155, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2.

AI Intelligence Brief

AI Intelligence

Analyzing vulnerability vectors…