CVEs-PoC/2025/CVE-2025-4918.md

CVE-2025-4918

Description

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

POC

Reference

• https://bugzilla.mozilla.org/show_bug.cgi?id=1966612
• 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

Github

• https://github.com/ARPSyndicate/cve-scores
• https://github.com/PuddinCat/GithubRepoSpider
• https://github.com/fkie-cad/nvd-json-data-feeds
• https://github.com/nomi-sec/PoC-in-GitHub
• https://github.com/w4zu/Debian_security