CVE-2025-4918

An attacker was able to perform an out-of-bounds read or write on a JavaScript `Promise` object. This vulnerability was fixed in Firefox 138.0.4, Firefox ESR 128.10.1, Firefox ESR 115.23.1, Thunderbird 128.10.2, and Thunderbird 138.0.2.

The following products are affected by CVE-2025-4918 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-4918.

URL	Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1966612
https://lists.debian.org/debian-lts-announce/2025/05/msg00024.html
https://lists.debian.org/debian-lts-announce/2025/05/msg00046.html
https://nvd.nist.gov/vuln/detail/CVE-2025-4918
https://www.cve.org/CVERecord?id=CVE-2025-4918
https://www.mozilla.org/en-US/security/advisories/mfsa2025-37/#CVE-2025-4918
https://www.mozilla.org/en-US/security/advisories/mfsa2025-40/#CVE-2025-4918
https://www.mozilla.org/security/advisories/mfsa2025-36/
https://www.mozilla.org/security/advisories/mfsa2025-37/
https://www.mozilla.org/security/advisories/mfsa2025-38/
https://www.mozilla.org/security/advisories/mfsa2025-40/
https://www.mozilla.org/security/advisories/mfsa2025-41/
https://www.vicarius.io/vsociety/posts/cve-2025-4918-detect-firefox-out-of-bounds-write
https://www.vicarius.io/vsociety/posts/cve-2025-4918-mitigate-firefox-out-of-bounds-write