Security Vulnerabilities fixed in Firefox ESR 115.27 — Mozilla

An attacker was able to perform memory corruption in the GMP process which processes encrypted media. This process is also heavily sandboxed, but represents slightly different privileges from the content process. Same-origin policy bypass in the Graphics: Canvas2D component. Memory safety bugs...

Security Vulnerabilities fixed in Firefox ESR 128.14 — Mozilla

An attacker was able to perform memory corruption in the GMP process which processes encrypted media. This process is also heavily sandboxed, but represents slightly different privileges from the content process. Same-origin policy bypass in the Graphics: Canvas2D component. Uninitialized memory ...

PT-2025-33867

Name of the Vulnerable Software and Affected Versions: Firefox versions prior to 142 Firefox ESR versions prior to 115.27 Firefox ESR versions prior to 128.14 Firefox ESR versions prior to 140.2 Thunderbird versions prior to 142 Thunderbird versions prior to 128.14 Thunderbird versions prior to...

Mozilla Thunderbird < 128.14

The version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 128.14. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-71 advisory. - Memory safety bugs present in Firefox ESR 115.26, Firefox ESR 128.13, Thunderbird ESR 128.13, Firefox E...