PT-2026-49681

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 152 Firefox ESR versions prior to 140.12 Thunderbird versions prior to 152 Thunderbird versions prior to 140.12 Description A memory safety bug exists in the software, which could lead to unexpected behavior or crashe...

PT-2026-49691

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 152 Thunderbird versions prior to 152 Description A clickjacking issue exists in the Widget: Gtk component. Clickjacking is a technique where an attacker tricks a user into clicking something different from what the...

PT-2026-49684

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 152 Firefox ESR versions prior to 140.12 Thunderbird versions prior to 152 Thunderbird versions prior to 140.12 Description A mitigation bypass exists within the DOM security component...

PT-2026-49665

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 152 Firefox ESR versions prior to 140.12 Thunderbird versions prior to 152 Thunderbird versions prior to 140.12 Description A sandbox escape exists within the Security: Process Sandboxing component. A sandbox is a...

PT-2026-49662

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 152 Thunderbird versions prior to 152 Description A use-after-free issue exists in the Graphics: WebGPU component. Use-after-free is a memory corruption flaw that occurs when an application continues to use a pointer...

PT-2026-49690

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 152 Thunderbird versions prior to 152 Description JIT miscompilation occurs in the JavaScript: WebAssembly component. Just-In-Time JIT compilation is a method used to improve the execution speed of programs by compili...

PT-2026-49688

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 152 Thunderbird versions prior to 152 Description A denial-of-service issue exists within the Audio/Video: Playback component. Recommendations Update to version 152 for Firefox. Update to version 152 for Thunderbird...