Astra Linux – Vulnerability in Firefox, Thunderbird

An attacker was able to perform out-of-bounds read or write operations on a JavaScript object by misunderstanding the sizes of array indices. This vulnerability has been 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...

DEBIAN-CVE-2025-4919

An attacker was able to perform an out-of-bounds read or write on a JavaScript object by confusing array index sizes. 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...