CVE-2026-74943

Use-after-free in the Graphics: ImageLib 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...

DEBIAN-CVE-2026-74943

Use-after-free in the Graphics: ImageLib 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...

CVE-2026-74943 Use-after-free in the Graphics: ImageLib component

Use-after-free in the Graphics: ImageLib 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...

CVE-2026-74943

A use-after-free in Firefox/Thunderbird's Graphics: ImageLib component (CVE-2026-74943) carries a CVSS 9.8 Critical score (AV:N/AC:L/PR:N/UI:N) enabling remote arbitrary code execution with no user interaction. It is fixed in Firefox 154, Firefox ESR 115.39/140.14/153.1, Thunderbird 154/140.14/15...

CVE-2026-74943

creationtimestamp| type| source ---|---|--- 2026-08-17 15:43:51+00:00| seen| https://bsky.app/profile/cvemon.bsky.social/post/3mtc26qdhu52r 2026-08-18 01:00:04+00:00| published-proof-of-concept| Telegram/idIOBRrg4VzKcTwjdY2a29HXXP5ypVWeuPQHuHGKT56HHBs 2026-08-19 00:00:27+00:00|...