PT-2026-126490

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 159 Firefox ESR versions prior to 115.44 Firefox ESR versions prior to 153.6 Thunderbird versions prior to 159 Thunderbird versions prior to 153.6 Description A use-after-free issue exists in the Networking component...

PT-2026-126491

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 159 Firefox ESR versions prior to 115.44 Firefox ESR versions prior to 153.6 Thunderbird versions prior to 159 Thunderbird versions prior to 153.6 Description A use-after-free issue exists in the Graphics: ImageLib...

PT-2026-126499

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 159 Firefox ESR versions prior to 153.6 Thunderbird versions prior to 159 Thunderbird ESR versions prior to 153.6 Description A use-after-free issue exists in the XSLT component. Use-after-free is a memory corruption...

PT-2026-126503

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 159 Firefox ESR versions prior to 153.6 Thunderbird versions prior to 159 Thunderbird versions prior to 153.6 Description A use-after-free issue exists in the DOM: HTML Parser component. Use-after-free is a memory...

PT-2026-126508

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 159 Firefox ESR versions prior to 115.44 Firefox ESR versions prior to 153.6 Thunderbird versions prior to 159 Thunderbird versions prior to 153.6 Description A use-after-free issue exists within the DOM: Core and HTM...

PT-2026-126510

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 159 Firefox ESR versions prior to 115.44 Firefox ESR versions prior to 153.6 Thunderbird versions prior to 159 Thunderbird versions prior to 153.6 Description A use-after-free issue exists in the SVG component...

PT-2026-126518

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 159 Firefox ESR versions prior to 115.44 Firefox ESR versions prior to 153.6 Thunderbird versions prior to 159 Thunderbird versions prior to 153.6 Description A use-after-free issue exists in the DOM: Bindings WebIDL...

PT-2026-126523

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 159 Firefox ESR versions prior to 153.6 Thunderbird versions prior to 159 Thunderbird versions prior to 153.6 Description A use-after-free issue exists within the DOM: Core and HTML component. A use-after-free occurs...

PT-2026-126524

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 159 Firefox ESR versions prior to 115.44 Firefox ESR versions prior to 153.6 Thunderbird versions prior to 159 Thunderbird versions prior to 153.6 Description A use-after-free issue exists in the DOM: CSS Object Model...

PT-2026-126526

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 159 Firefox ESR versions prior to 115.44 Firefox ESR versions prior to 153.6 Thunderbird versions prior to 159 Thunderbird versions prior to 153.6 Description A use-after-free issue exists within the DOM: Core and HTM...

PT-2026-126530

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 159 Firefox ESR versions prior to 153.6 Thunderbird versions prior to 159 Thunderbird ESR versions prior to 153.6 Description A use-after-free issue exists in the XML component. Use-after-free is a memory corruption...

PT-2026-126531

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 159 Firefox ESR versions prior to 115.44 Firefox ESR versions prior to 153.6 Thunderbird versions prior to 159 Thunderbird versions prior to 153.6 Description A use-after-free issue exists in the SVG component...

PT-2026-126532

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 159 Firefox ESR versions prior to 115.44 Firefox ESR versions prior to 153.6 Thunderbird versions prior to 159 Thunderbird versions prior to 153.6 Description A use-after-free issue exists within the DOM: Core and HTM...

PT-2026-126547

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 159 Firefox ESR versions prior to 153.6 Thunderbird versions prior to 159 Thunderbird ESR versions prior to 153.6 Description A use-after-free issue exists in the Panning and Zooming component. Use-after-free is a...

PT-2026-126551

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 159 Firefox ESR versions prior to 115.44 Firefox ESR versions prior to 153.6 Thunderbird versions prior to 159 Thunderbird versions prior to 153.6 Description A use-after-free issue exists within the DOM: Core and HTM...

PT-2026-126556

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 159 Firefox ESR versions prior to 153.6 Thunderbird versions prior to 159 Thunderbird ESR versions prior to 153.6 Description A use-after-free issue exists in the Networking: DNS component. Use-after-free is a memory...

PT-2026-126566

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 159 Firefox ESR versions prior to 153.6 Thunderbird versions prior to 159 Thunderbird ESR versions prior to 153.6 Description A use-after-free issue exists in the Graphics component. Use-after-free is a memory...

PT-2026-126569

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 159 Firefox ESR versions prior to 153.6 Thunderbird versions prior to 159 Thunderbird ESR versions prior to 153.6 Description A use-after-free issue exists in the Graphics component. Use-after-free is a memory...

PT-2026-126580

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 159 Firefox ESR versions prior to 153.6 Thunderbird versions prior to 159 Thunderbird versions prior to 153.6 Description A use-after-free issue exists in the Widget component, which can lead to a sandbox escape. A...

PT-2026-127301

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 156.0.8078.73 Description A use after free issue exists in the Paint component. This occurs when a program continues to use a pointer after it has been freed, which can lead to memory corruption. A remote attack...