CVE-2026-74937
CVE-2026-74937CVE-2026-74937
mozilla / firefox
Description
Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
Scoring
| CVSS | 8.8 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| Last modified | 2026-08-19 |