CVE-2026-74976: Access of Resource Using Incompatible Type

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1...

PT-2026-77009

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 154 Firefox ESR versions prior to 140.14 Firefox ESR versions prior to 153.1 Thunderbird versions prior to 154 Thunderbird versions prior to 140.14 Thunderbird versions prior to 153.1 Description A JIT miscompilation...

CVE-2026-74984: Concurrent Execution using Shared Resource with Improper Synchronization

Race condition in the JavaScript Engine component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...

PT-2026-77017

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 154 Firefox ESR versions prior to 153.1 Thunderbird versions prior to 154 Thunderbird versions prior to 153.1 Description A race condition exists in the JavaScript Engine component. A race condition is a situation whe...

GHSA-V5X7-VHWF-5V44 vulnerabilities

Vulnerabilities for packages: firefox...

CVE-2026-47698

creationtimestamp| type| source ---|---|--- 2026-08-17 20:20:04+00:00| seen| https://bsky.app/profile/stackflag.bsky.social/post/3mtcjmnli3k24 2026-08-17 20:35:07+00:00| published-proof-of-concept| https://github.com/patriksimek/vm2/security/advisories/GHSA-cfcw-xp6x-25gj 2026-08-17 22:08:18+00:0...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: thunderbird (UTSA-2026-101365)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-101365 advisory. Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8. Tenable ha...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: thunderbird (UTSA-2026-101374)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-101374 advisory. Use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8. Tenab...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: firefox (UTSA-2026-100941)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100941 advisory. Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: thunderbird (UTSA-2026-101316)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-101316 advisory. Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7. Tenable ha...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: thunderbird (UTSA-2026-101119)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-101119 advisory. Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: firefox (UTSA-2026-101127)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-101127 advisory. Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8. Tenable ha...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: firefox (UTSA-2026-101487)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-101487 advisory. Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7. Tenable ha...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: firefox (UTSA-2026-101164)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-101164 advisory. JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: thunderbird (UTSA-2026-100930)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100930 advisory. JIT miscompilation, use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8,...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: firefox (UTSA-2026-101484)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-101484 advisory. Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8. Tenable ha...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: firefox (UTSA-2026-101290)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-101290 advisory. Use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8. Tenab...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: thunderbird (UTSA-2026-101117)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-101117 advisory. Incorrect boundary conditions, uninitialized memory in the JavaScript Engine component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: firefox (UTSA-2026-101293)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-101293 advisory. Incorrect boundary conditions, uninitialized memory in the JavaScript Engine component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: thunderbird (UTSA-2026-100922)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100922 advisory. Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbi...