🚨 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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🚨 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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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You are not authorized to access bug 2053680. To see this bug, you must
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🚨 CVE-2026-16411
Memory safety bugs present in Thunderbird 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. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
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Memory safety bugs present in Thunderbird 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. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
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🚨 CVE-2026-16412
Memory safety bugs present in Thunderbird ESR 140.12 and Thunderbird 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. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
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Memory safety bugs present in Thunderbird ESR 140.12 and Thunderbird 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. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
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🚨 CVE-2026-59846
A flaw was found in libssh. A malicious username expanded through %r in ProxyCommand handling can inject shell metacharacters, exposing environment variables and causing unintended shell behavior.
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A flaw was found in libssh. A malicious username expanded through %r in ProxyCommand handling can inject shell metacharacters, exposing environment variables and causing unintended shell behavior.
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