π¨ CVE-2026-16361
Memory safety bugs present in Firefox ESR 115.37 and Firefox ESR 140.12. 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. This vulnerability was fixed in Firefox ESR 115.38 and Firefox ESR 140.13.
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Memory safety bugs present in Firefox ESR 115.37 and Firefox ESR 140.12. 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. This vulnerability was fixed in Firefox ESR 115.38 and Firefox ESR 140.13.
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π¨ CVE-2026-16362
Use-after-free in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.
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Use-after-free in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.
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bugzilla.mozilla.org
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π¨ CVE-2026-16363
JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.
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JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.
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bugzilla.mozilla.org
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π¨ CVE-2026-16364
Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 153.
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Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 153.
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bugzilla.mozilla.org
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You are not authorized to access bug 2047802. To see this bug, you must
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π¨ CVE-2026-16365
Privilege escalation in the DOM: Workers component. This vulnerability was fixed in Firefox 153.
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Privilege escalation in the DOM: Workers component. This vulnerability was fixed in Firefox 153.
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bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2049149. To see this bug, you must
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π¨ CVE-2026-16366
Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 153.
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Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 153.
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bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2049181. To see this bug, you must
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π¨ CVE-2026-16367
Sandbox escape due to invalid pointer in the Disability Access APIs component. This vulnerability was fixed in Firefox 153.
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Sandbox escape due to invalid pointer in the Disability Access APIs component. This vulnerability was fixed in Firefox 153.
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bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2050627. To see this bug, you must
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π¨ CVE-2026-16368
Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.
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Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.
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bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2051015. To see this bug, you must
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π¨ CVE-2026-16369
Integer overflow in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.
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Integer overflow in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.
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bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2051854. To see this bug, you must
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π¨ CVE-2026-16370
Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 153.
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Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 153.
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bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 1996495. To see this bug, you must
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π¨ CVE-2026-16371
Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.
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Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.
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bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2008369. To see this bug, you must
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π¨ CVE-2026-16372
Privilege escalation in the DOM: Content Processes component. This vulnerability was fixed in Firefox 153.
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Privilege escalation in the DOM: Content Processes component. This vulnerability was fixed in Firefox 153.
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bugzilla.mozilla.org
2013800 - (CVE-2026-16372) Missing Authorization in ContentParent::RecvAddCertException Allows Persistent TLS Certificate Overrideβ¦
RESOLVED (dkeeler) in Core - DOM: Content Processes. Last updated 2026-07-20.
π¨ CVE-2026-16373
Information disclosure in the Privacy component in Firefox for Android. This vulnerability was fixed in Firefox 153.
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Information disclosure in the Privacy component in Firefox for Android. This vulnerability was fixed in Firefox 153.
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bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2021964. To see this bug, you must
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π¨ CVE-2026-16374
Information disclosure in the Framework component in DevTools. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.
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Information disclosure in the Framework component in DevTools. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.
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bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2027519. To see this bug, you must
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π¨ CVE-2026-16375
Site isolation issue in the Networking: HTTP component. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.
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Site isolation issue in the Networking: HTTP component. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.
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bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2032140. To see this bug, you must
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π¨ CVE-2026-16376
Denial-of-service in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153.
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Denial-of-service in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153.
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bugzilla.mozilla.org
Access Denied
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π¨ CVE-2026-16377
Mitigation bypass in the PDF Viewer component. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.
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Mitigation bypass in the PDF Viewer component. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.
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bugzilla.mozilla.org
Access Denied
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π¨ CVE-2026-16378
Other issue in the DOM: Copy & Paste and Drag & Drop component. This vulnerability was fixed in Firefox 153.
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Other issue in the DOM: Copy & Paste and Drag & Drop component. This vulnerability was fixed in Firefox 153.
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bugzilla.mozilla.org
Access Denied
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π¨ CVE-2026-16380
Mitigation bypass in the Networking component. This vulnerability was fixed in Firefox 153.
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Mitigation bypass in the Networking component. This vulnerability was fixed in Firefox 153.
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bugzilla.mozilla.org
Access Denied
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π¨ CVE-2026-16381
Same-origin policy bypass in the Networking: DNS component. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.
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Same-origin policy bypass in the Networking: DNS component. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.
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bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2041001. To see this bug, you must
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π¨ CVE-2026-16382
Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 153.
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Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 153.
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bugzilla.mozilla.org
Access Denied
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