🚨 CVE-2026-12308
Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
🎖@cveNotify
Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
🎖@cveNotify
bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2038302. To see this bug, you must
first log in to an account with the appropriate permissions.
first log in to an account with the appropriate permissions.
🚨 CVE-2026-12309
Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
🎖@cveNotify
Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
🎖@cveNotify
bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2038476. To see this bug, you must
first log in to an account with the appropriate permissions.
first log in to an account with the appropriate permissions.
🚨 CVE-2026-12310
Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
🎖@cveNotify
Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
🎖@cveNotify
bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2039707. To see this bug, you must
first log in to an account with the appropriate permissions.
first log in to an account with the appropriate permissions.
🚨 CVE-2026-12311
Information disclosure, sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
🎖@cveNotify
Information disclosure, sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
🎖@cveNotify
bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2040177. To see this bug, you must
first log in to an account with the appropriate permissions.
first log in to an account with the appropriate permissions.
🚨 CVE-2026-12313
Information disclosure, sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
🎖@cveNotify
Information disclosure, sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
🎖@cveNotify
bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2040477. To see this bug, you must
first log in to an account with the appropriate permissions.
first log in to an account with the appropriate permissions.
🚨 CVE-2026-12314
Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
🎖@cveNotify
Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
🎖@cveNotify
bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2041856. To see this bug, you must
first log in to an account with the appropriate permissions.
first log in to an account with the appropriate permissions.
🚨 CVE-2026-12315
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
🎖@cveNotify
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
🎖@cveNotify
bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2042058. To see this bug, you must
first log in to an account with the appropriate permissions.
first log in to an account with the appropriate permissions.
🚨 CVE-2026-12316
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
🎖@cveNotify
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
🎖@cveNotify
bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2045496. To see this bug, you must
first log in to an account with the appropriate permissions.
first log in to an account with the appropriate permissions.
🚨 CVE-2026-12317
Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
🎖@cveNotify
Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
🎖@cveNotify
bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2007083. To see this bug, you must
first log in to an account with the appropriate permissions.
first log in to an account with the appropriate permissions.
🚨 CVE-2026-12318
Incorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
🎖@cveNotify
Incorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
🎖@cveNotify
bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2023478. To see this bug, you must
first log in to an account with the appropriate permissions.
first log in to an account with the appropriate permissions.
🚨 CVE-2026-12319
Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
🎖@cveNotify
Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
🎖@cveNotify
bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2026933. To see this bug, you must
first log in to an account with the appropriate permissions.
first log in to an account with the appropriate permissions.
🚨 CVE-2026-12320
Information disclosure in the Password Manager component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
🎖@cveNotify
Information disclosure in the Password Manager component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
🎖@cveNotify
bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2027572. To see this bug, you must
first log in to an account with the appropriate permissions.
first log in to an account with the appropriate permissions.
🚨 CVE-2026-12321
JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
🎖@cveNotify
JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
🎖@cveNotify
bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2032943. To see this bug, you must
first log in to an account with the appropriate permissions.
first log in to an account with the appropriate permissions.
🚨 CVE-2026-12322
Clickjacking issue in the Widget: Gtk component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
🎖@cveNotify
Clickjacking issue in the Widget: Gtk component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
🎖@cveNotify
bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2033848. To see this bug, you must
first log in to an account with the appropriate permissions.
first log in to an account with the appropriate permissions.
🚨 CVE-2026-12323
Spoofing issue in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
🎖@cveNotify
Spoofing issue in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
🎖@cveNotify
bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2035027. To see this bug, you must
first log in to an account with the appropriate permissions.
first log in to an account with the appropriate permissions.
🚨 CVE-2026-12324
Incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
🎖@cveNotify
Incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
🎖@cveNotify
bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2038444. To see this bug, you must
first log in to an account with the appropriate permissions.
first log in to an account with the appropriate permissions.
🚨 CVE-2026-12325
Denial-of-service in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.
🎖@cveNotify
Denial-of-service in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.
🎖@cveNotify
bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2039443. To see this bug, you must
first log in to an account with the appropriate permissions.
first log in to an account with the appropriate permissions.
🚨 CVE-2026-12326
Memory safety bugs present in Firefox 151 and Thunderbird 151. 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 152 and Thunderbird 152.
🎖@cveNotify
Memory safety bugs present in Firefox 151 and Thunderbird 151. 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 152 and Thunderbird 152.
🎖@cveNotify
🚨 CVE-2026-12327
Memory safety bugs present in Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151 and Thunderbird 151. 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 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
🎖@cveNotify
Memory safety bugs present in Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151 and Thunderbird 151. 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 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
🎖@cveNotify
🚨 CVE-2026-12328
Memory safety bugs present in Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151 and Thunderbird 151. 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 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.
🎖@cveNotify
Memory safety bugs present in Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151 and Thunderbird 151. 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 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.
🎖@cveNotify
🚨 CVE-2026-12329
Memory safety bug fixed in Thunderbird ESR 140.12. This vulnerability was fixed in Firefox ESR 140.12 and Thunderbird 140.12.
🎖@cveNotify
Memory safety bug fixed in Thunderbird ESR 140.12. This vulnerability was fixed in Firefox ESR 140.12 and Thunderbird 140.12.
🎖@cveNotify
bugzilla.mozilla.org
Access Denied
You are not authorized to access bug 2044738. To see this bug, you must
first log in to an account with the appropriate permissions.
first log in to an account with the appropriate permissions.