CVE-2026-16362

Use-after-free in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

CVE-2026-16349

CVE-2026-16349 : Same-origin policy bypass in the DOM: Navigation component affects Mozilla Firefox and Firefox ESR. Root cause is a bypass vulnerability in the Navigation component that can impact confidentiality, integrity, and availability (CVSS v3.1: 9.8, high) with network attack vector and ...

CVE-2026-16349 Same-origin policy bypass in the DOM: Navigation component

Same-origin policy bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

EUVD-2026-46189

Same-origin policy bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, and Firefox ESR 140.13...

CVE-2026-16349 Same-origin policy bypass in the DOM: Navigation component

Same-origin policy bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

PT-2026-61883

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 A privilege escalation issue exists within the DOM: Navigation component. Recommendations...

PT-2026-61893

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 A same-origin policy bypass exists in the Networking: DNS component. The same-origin policy i...

PT-2026-61916

Name of the Vulnerable Software and Affected Versions Firefox for Android versions prior to 153 Description A spoofing issue exists in Firefox for Android, which could allow an attacker to deceive users by impersonating a legitimate site or entity. Recommendations Update to version 153...

PT-2026-61910

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 153 Thunderbird versions prior to 153 Description A site isolation issue exists within the Graphics component. Site isolation is a security mechanism that ensures web pages from different sites are processed in separa...

PT-2026-61901

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 153 Thunderbird versions prior to 153 Description An integer overflow occurs in the Libraries component of NSS due to incorrect boundary conditions. An integer overflow is a condition where an arithmetic operation...

PT-2026-61921

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 153 Thunderbird versions prior to 153 Description An invalid pointer exists within the Security: PSM component. A pointer is a variable that stores the memory address of another value. Recommendations Update Firefox t...

PT-2026-61886

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 information disclosure issue exists within the Framework component of DevTools...

PT-2026-61913

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 Data Loss Prevention component. Recommendations Update Firefox to version 153. Update Thunderbird to version 153...

PT-2026-61906

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 Security component. The Document Object Model DOM is a programming interface for web documents that represents the page so th...

PT-2026-61861

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 same-origin policy bypass exists in the DOM Navigation...

PT-2026-61862

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 Incorrect boundary conditions exist within the Audio/Vide...

PT-2026-61872

Name of the Vulnerable Software and Affected Versions Firefox ESR version 115.37 Firefox ESR version 140.12 Firefox version 152 Thunderbird ESR version 140.12 Thunderbird version 152 Description Memory safety bugs were identified that showed evidence of memory corruption. These issues could...

PT-2026-61889

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 A mitigation bypass exists within the PDF Viewer component. Recommendations Update Firefox to...

PT-2026-61891

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 A privilege escalation issue exists within the DOM: Content Processes component...

PT-2026-61902

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 A mitigation bypass exists within the Enterprise Policies component. Recommendations Update...