CVE-2026-74940 [CRITICAL] – Use-after-free in the Graphics: Text component. This vulnerability was fixed in Firefox 15

Use-after-free in the Graphics: Text component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.