EUVD-2026-46213

Mitigation bypass in the PDF Viewer component. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13...

CVE-2026-16357

CVE-2026-16357 is a Mozilla Firefox/Firefox ESR vulnerability caused by incorrect boundary conditions in the Graphics component. Affected product: Firefox and Firefox ESR. The issue is tracked with a CVSS 3.1 base score of 9.8 (CRITICAL) with network attack vector, no user interaction, and possib...

CVE-2026-16356

Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

EUVD-2026-46204

Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, and Firefox ESR 140.13...

CVE-2026-16355

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

CVE-2026-16355 JIT miscompilation in the JavaScript Engine: JIT component

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

CVE-2026-16369

CVE-2026-16369 : Integer overflow in the JavaScript: WebAssembly component of Mozilla Firefox. Affected: Firefox browser (WebAssembly/JavaScript engine). Root cause: integer overflow. Impact: fixed in Firefox 153 and Firefox ESR 140.13. Mitigation: upgrade Firefox to 153 (or ESR 140.13) to apply ...

CVE-2026-16368 Incorrect boundary conditions in the JavaScript: WebAssembly component

Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

CVE-2026-16354

CVE-2026-16354 affects Mozilla Firefox when using the Graphics: ImageLib component, causing information disclosure. The vulnerability is addressed in Firefox 153 and Firefox ESR 115.38 and 140.13. Connected sources corroborate that this issue is resolved by these version fixes; no exploitation st...

CVE-2026-16353

The CVE-2026-16353 entry concerns Mozilla Firefox/Firefox ESR and the DOM Bindings (WebIDL) component. Affected component: Invalid pointer in the DOM: Bindings (WebIDL). Root cause: invalid pointer handling in the DOM Bindings. Impact: high confidentiality, integrity, and availability (per CVSS 3...

CVE-2026-16363

JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

CVE-2026-16352 Sandbox escape due to use-after-free in the Disability Access APIs component

Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

EUVD-2026-46193

Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, and Firefox ESR 140.13...

EUVD-2026-46192

Sandbox escape due to use-after-free in the DOM: Navigation component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, and Firefox ESR 140.13...

CVE-2026-16350 Incorrect boundary conditions in the Audio/Video: cubeb component

Incorrect boundary conditions in the Audio/Video: cubeb component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 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-2026-61924

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

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-2026-61872

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...