🚨 CVE-2026-16387
Site isolation issue in the Networking component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
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Site isolation issue in the Networking component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
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bugzilla.mozilla.org
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You are not authorized to access bug 2043200. To see this bug, you must
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🚨 CVE-2026-16388
Sandbox escape in the DOM: Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
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Sandbox escape in the DOM: Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
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bugzilla.mozilla.org
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You are not authorized to access bug 2043845. To see this bug, you must
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🚨 CVE-2026-16389
Incorrect boundary conditions, integer overflow in the Libraries component in NSS. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
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Incorrect boundary conditions, integer overflow in the Libraries component in NSS. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
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bugzilla.mozilla.org
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You are not authorized to access bug 2043887. To see this bug, you must
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🚨 CVE-2026-16390
Mitigation bypass in the Enterprise Policies component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
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Mitigation bypass in the Enterprise Policies component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
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bugzilla.mozilla.org
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You are not authorized to access bug 2044527. To see this bug, you must
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🚨 CVE-2026-16391
Information disclosure in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
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Information disclosure in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
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bugzilla.mozilla.org
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You are not authorized to access bug 2044536. To see this bug, you must
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🚨 CVE-2026-16392
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
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JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
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bugzilla.mozilla.org
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You are not authorized to access bug 2044606. To see this bug, you must
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🚨 CVE-2026-16393
Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
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Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
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bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2045410. To see this bug, you must
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🚨 CVE-2026-16394
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
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Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
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bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2046748. To see this bug, you must
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🚨 CVE-2026-16395
Integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
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Integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
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bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2047221. To see this bug, you must
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🚨 CVE-2026-16396
Privilege escalation in WebExtensions. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
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Privilege escalation in WebExtensions. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
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bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2047240. To see this bug, you must
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🚨 CVE-2026-16398
Site isolation issue in the Graphics component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
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Site isolation issue in the Graphics component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
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bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2048345. To see this bug, you must
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🚨 CVE-2026-16399
Site isolation issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
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Site isolation issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
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bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2049981. To see this bug, you must
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🚨 CVE-2026-16401
Privilege escalation in the Data Loss Prevention component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
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Privilege escalation in the Data Loss Prevention component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
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bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2052565. To see this bug, you must
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🚨 CVE-2026-16402
Integer overflow in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
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Integer overflow in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
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bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2052703. To see this bug, you must
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🚨 CVE-2026-16403
Spoofing issue in the Address Bar component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
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Spoofing issue in the Address Bar component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
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bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 1972244. To see this bug, you must
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🚨 CVE-2026-16405
Information disclosure in the Networking: WebSockets component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
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Information disclosure in the Networking: WebSockets component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
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bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2036591. To see this bug, you must
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🚨 CVE-2026-16406
Mitigation bypass in the Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
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Mitigation bypass in the Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
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bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2040382. To see this bug, you must
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🚨 CVE-2026-16407
Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
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Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
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bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2044063. To see this bug, you must
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🚨 CVE-2026-16408
Integer overflow in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
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Integer overflow in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
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bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2050477. To see this bug, you must
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🚨 CVE-2026-16409
Invalid pointer in the Security: PSM component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
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Invalid pointer in the Security: PSM component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
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bugzilla.mozilla.org
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You are not authorized to access bug 2052134. To see this bug, you must
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🚨 CVE-2026-16410
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
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JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
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bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2053680. To see this bug, you must
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