PT-2026-49660

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 152 Firefox ESR versions prior to 140.12 Firefox ESR versions prior to 115.37 Thunderbird versions prior to 152 Thunderbird versions prior to 140.12 Description A use-after-free issue exists in the Networking: HTTP...

PT-2026-49667

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 that could lead to instability or unauthorized actions by improper...

PT-2026-49671

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 152 Firefox ESR versions prior to 140.12 Firefox ESR versions prior to 115.37 Thunderbird versions prior to 152 Thunderbird versions prior to 140.12 Description A mitigation bypass exists within the DOM security...

PT-2026-49687

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 152 Thunderbird versions prior to 152 Description Incorrect boundary conditions exist within the Libraries component of the Network Security Services NSS, which is a set of libraries providing support for security...

PT-2026-49689

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 152 Thunderbird versions prior to 152 Description Information disclosure occurs within the Password Manager component. Recommendations Update Firefox to version 152. Update Thunderbird to version 152...