PT-2026-92008

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 156 Firefox ESR versions prior to 153.3 Thunderbird versions prior to 156 Thunderbird versions prior to 153.3 Description Incorrect boundary conditions exist within the Safe Browsing component. Recommendations Update...

PT-2026-91951

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 156 Firefox ESR versions prior to 115.41 Firefox ESR versions prior to 140.16 Firefox ESR versions prior to 153.3 Thunderbird versions prior to 156 Thunderbird versions prior to 140.16 Thunderbird versions prior to...

PT-2026-91957

Name of the Vulnerable Software and Affected Versions Firefox ESR versions prior to 140.16 Thunderbird versions prior to 140.16 Description A use-after-free issue exists within the Just-In-Time JIT component of the JavaScript Engine. A use-after-free is a memory corruption flaw that occurs when a...

PT-2026-91971

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 156 Firefox ESR versions prior to 153.3 Thunderbird versions prior to 156 Thunderbird versions prior to 153.3 Description A sandbox escape exists due to incorrect boundary conditions within the Graphics component. A...

PT-2026-91980

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 156 Firefox ESR versions prior to 153.3 Thunderbird versions prior to 156 Thunderbird versions prior to 153.3 Description An information disclosure issue exists within the Networking: HTTP component. Recommendations...

PT-2026-91990

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 156 Firefox ESR versions prior to 153.3 Thunderbird versions prior to 156 Thunderbird versions prior to 153.3 Description Privilege escalation exists within the Memory component. Recommendations Update Firefox to...

PT-2026-91994

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 156 Firefox ESR versions prior to 153.3 Thunderbird versions prior to 156 Thunderbird versions prior to 153.3 Description A use-after-free issue exists in the Graphics component. Use-after-free is a memory corruption...

PT-2026-91998

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 156 Firefox ESR versions prior to 153.3 Thunderbird versions prior to 156 Thunderbird versions prior to 153.3 Description Privilege escalation in the Session Restore component. Recommendations Update Firefox to versio...

PT-2026-92011

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 156 Firefox ESR versions prior to 153.3 Thunderbird versions prior to 156 Thunderbird versions prior to 153.3 Description A mitigation bypass exists within the Networking component. Recommendations Update Firefox to...

PT-2026-92015

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 156 Firefox ESR versions prior to 153.3 Thunderbird versions prior to 156 Thunderbird versions prior to 153.3 Description A mitigation bypass exists within the Widget: Win32 component. Recommendations Update Firefox t...

CVE-2026-92012: Buffer Copy without Checking Size of Input

Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3...

CVE-2026-92028: Use After Free

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3...

CVE-2026-92035: Improper Restriction of Operations within the Bounds of a Memory Buffer

Sandbox escape due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Thunderbird 140.17, Firefox 156, Firefox ESR 153.3, Thunderbird 156, Thunderbird 153.3, Firefox ESR 115.42, and Firefox ESR 140.17...

PT-2026-91950

Name of the Vulnerable Software and Affected Versions Firefox ESR versions prior to 115.41 Firefox ESR versions prior to 140.16 Thunderbird versions prior to 140.16 Description Incorrect boundary conditions in the Graphics component allow for privilege escalation. Recommendations Update Firefox E...

PT-2026-91983

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 156 Firefox ESR versions prior to 153.3 Thunderbird versions prior to 156 Thunderbird versions prior to 153.3 Description Privilege escalation exists within the Crash Reporting component. Recommendations Update Firefo...

PT-2026-91997

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 156 Thunderbird versions prior to 156 Description Incorrect boundary conditions exist within the Security: Process Sandboxing component. Process sandboxing is a security mechanism that isolates running processes from...

PT-2026-92005

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 156 Firefox ESR versions prior to 153.3 Thunderbird versions prior to 156 Thunderbird versions prior to 153.3 Description Spoofing issue in the DOM: Navigation component. The Document Object Model DOM is a programming...

PT-2026-92474

Name of the Vulnerable Software and Affected Versions Thunderbird versions prior to 140.16 Thunderbird versions prior to 153.3 Thunderbird versions prior to 156 Description A maliciously constructed mail header can cause multiple fields to be parsed as a single field or lead to memory safety...

CVE-2026-92016: Use After Free

Use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 156, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3...

CVE-2026-92029: Use After Free

Use-after-free in the SVG component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3...