Mozilla -- Memory safety bugs

https://www.mozilla.org/en-US/security/advisories/mfsa2026-68/CVE-2026-16360 reports: Memory safety bugs present in Firefox ESR 115.37, Firefox ESR 140.12 and Firefox 152. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been...

Mozilla -- Memory safety bugs

https://www.mozilla.org/en-US/security/advisories/mfsa2026-68/CVE-2026-16412 reports: Memory safety bugs present in Firefox ESR 140.12 and Firefox 152. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run...

Mozilla -- Memory safety bugs

https://www.mozilla.org/en-US/security/advisories/mfsa2026-68/CVE-2026-16411 reports Memory safety bugs present in Firefox 152. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code...

Mozilla Firefox < 153.0

The version of Firefox installed on the remote Windows host is prior to 153.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-68 advisory. - Memory safety bugs present in Firefox ESR 140.12 and Firefox 152. Some of these bugs showed evidence of memory...

Mozilla Firefox < 153.0

The version of Firefox installed on the remote macOS or Mac OS X host is prior to 153.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-68 advisory. - Memory safety bugs present in Firefox ESR 140.12 and Firefox 152. Some of these bugs showed evidence of memo...

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-2026-61886

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-2026-61874

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 use-after-free issue exists in the WebRTC: Audio/Video component. Use-after-free is a memor...

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-2026-61869

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 The Graphics component contains incorrect boundary...

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-2026-61880

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 Incorrect boundary conditions exist within the JavaScript: WebAssembly component...

PT-2026-61864

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 use-after-free issue exists in the Disability Access AP...

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-2026-61866

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 An information disclosure issue exists within the Graphic...

PT-2026-61863

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 use-after-free issue exists in the DOM: Navigation...

PT-2026-61871

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-2026-61875

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 JIT miscompilation issue exists within the JavaScript: WebAssembly component. JIT...

PT-2026-61887

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 site isolation issue exists within the Networking: HTTP component. Recommendations Update...

PT-2026-61881

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 integer overflow exists in the JavaScript: WebAssembly component. An integer overflow occu...