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CVE-2026-8958

Medium priority
Ignored

Information disclosure, sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

9 affected packages

firefox, thunderbird, mozjs38, mozjs52, mozjs68...

Package 24.04 LTS
firefox Not affected
thunderbird Not affected
mozjs38 Not in release
mozjs52 Not in release
mozjs68 Not in release
mozjs78 Not in release
mozjs91 Not in release
mozjs102 Ignored
mozjs115 Ignored
Show all 9 packages Show less packages

CVE-2026-8957

Medium priority
Ignored

Privilege escalation in the Enterprise Policies component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

9 affected packages

firefox, thunderbird, mozjs38, mozjs52, mozjs68...

Package 24.04 LTS
firefox Not affected
thunderbird Not affected
mozjs38 Not in release
mozjs52 Not in release
mozjs68 Not in release
mozjs78 Not in release
mozjs91 Not in release
mozjs102 Ignored
mozjs115 Ignored
Show all 9 packages Show less packages

CVE-2026-8956

Medium priority
Ignored

Integer overflow in the Networking: JAR component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

9 affected packages

firefox, thunderbird, mozjs38, mozjs52, mozjs68...

Package 24.04 LTS
firefox Not affected
thunderbird Not affected
mozjs38 Not in release
mozjs52 Not in release
mozjs68 Not in release
mozjs78 Not in release
mozjs91 Not in release
mozjs102 Ignored
mozjs115 Ignored
Show all 9 packages Show less packages

CVE-2026-8955

Medium priority
Ignored

Privilege escalation in the DOM: Workers component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

9 affected packages

firefox, thunderbird, mozjs38, mozjs52, mozjs68...

Package 24.04 LTS
firefox Not affected
thunderbird Not affected
mozjs38 Not in release
mozjs52 Not in release
mozjs68 Not in release
mozjs78 Not in release
mozjs91 Not in release
mozjs102 Ignored
mozjs115 Ignored
Show all 9 packages Show less packages

CVE-2026-8954

Medium priority
Ignored

Incorrect boundary conditions, integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

9 affected packages

firefox, thunderbird, mozjs38, mozjs52, mozjs68...

Package 24.04 LTS
firefox Not affected
thunderbird Not affected
mozjs38 Not in release
mozjs52 Not in release
mozjs68 Not in release
mozjs78 Not in release
mozjs91 Not in release
mozjs102 Ignored
mozjs115 Ignored
Show all 9 packages Show less packages

CVE-2026-8953

Medium priority
Ignored

Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

9 affected packages

firefox, thunderbird, mozjs38, mozjs52, mozjs68...

Package 24.04 LTS
firefox Not affected
thunderbird Not affected
mozjs38 Not in release
mozjs52 Not in release
mozjs68 Not in release
mozjs78 Not in release
mozjs91 Not in release
mozjs102 Ignored
mozjs115 Ignored
Show all 9 packages Show less packages

CVE-2026-8950

Medium priority
Ignored

Same-origin policy bypass in the Networking: HTTP component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

9 affected packages

firefox, thunderbird, mozjs38, mozjs52, mozjs68...

Package 24.04 LTS
firefox Not affected
thunderbird Not affected
mozjs38 Not in release
mozjs52 Not in release
mozjs68 Not in release
mozjs78 Not in release
mozjs91 Not in release
mozjs102 Ignored
mozjs115 Ignored
Show all 9 packages Show less packages

CVE-2026-8949

Medium priority
Ignored

Integer overflow in the Widget: Win32 component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

9 affected packages

firefox, thunderbird, mozjs38, mozjs52, mozjs68...

Package 24.04 LTS
firefox Not affected
thunderbird Not affected
mozjs38 Not in release
mozjs52 Not in release
mozjs68 Not in release
mozjs78 Not in release
mozjs91 Not in release
mozjs102 Ignored
mozjs115 Ignored
Show all 9 packages Show less packages

CVE-2026-8947

Medium priority
Ignored

Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

9 affected packages

firefox, thunderbird, mozjs38, mozjs52, mozjs68...

Package 24.04 LTS
firefox Not affected
thunderbird Not affected
mozjs38 Not in release
mozjs52 Not in release
mozjs68 Not in release
mozjs78 Not in release
mozjs91 Not in release
mozjs102 Ignored
mozjs115 Ignored
Show all 9 packages Show less packages

CVE-2026-8946

Medium priority
Ignored

Incorrect boundary conditions in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

9 affected packages

firefox, thunderbird, mozjs38, mozjs52, mozjs68...

Package 24.04 LTS
firefox Not affected
thunderbird Not affected
mozjs38 Not in release
mozjs52 Not in release
mozjs68 Not in release
mozjs78 Not in release
mozjs91 Not in release
mozjs102 Ignored
mozjs115 Ignored
Show all 9 packages Show less packages