PT-2026-61869

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 153 Firefox ESR versions prior to 115.38 Firefox ESR versions prior to 140.13 Thunderbird versions prior to 153 Thunderbird version prior to 140.13 Description The Graphics component contains incorrect boundary...

PT-2026-61870

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 153 Firefox ESR versions prior to 115.38 Firefox ESR versions prior to 140.13 Thunderbird versions prior to 153 Thunderbird version prior to 140.13 Description A site isolation issue exists within the Graphics:...

PT-2026-61884

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 153 Thunderbird versions prior to 153 Description A privilege escalation issue exists within the DOM: Content Processes component. Recommendations Update Firefox to version 153. Update Thunderbird to version 153...

PT-2026-61882

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 153 Thunderbird versions prior to 153 Description A mitigation bypass exists within the DOM: Networking component. Recommendations Update Firefox to version 153. Update Thunderbird to version 153...

PT-2026-61892

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 153 Thunderbird versions prior to 153 Description A mitigation bypass exists within the Networking component. Recommendations Update Firefox to version 153. Update Thunderbird to version 153...

PT-2026-61881

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 153 Firefox ESR versions prior to 140.13 Thunderbird versions prior to 153 Thunderbird versions prior to 140.13 Description An integer overflow exists in the JavaScript: WebAssembly component. An integer overflow occu...

PT-2026-61879

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 153 Thunderbird versions prior to 153 Description A sandbox escape is possible due to an invalid pointer within the Disability Access APIs component. A sandbox is a security mechanism used to isolate running...

PT-2026-61897

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 153 Thunderbird versions prior to 153 Description Information disclosure occurs due to uninitialized memory within the Graphics: WebGPU component. WebGPU is a modern API that provides high-performance graphics and...