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CVE-2026-8955

Medium priority
Not affected

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 26.04 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 Not in release
mozjs115 Not in release
Show all 9 packages Show less packages

CVE-2026-8954

Medium priority
Not affected

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 26.04 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 Not in release
mozjs115 Not in release
Show all 9 packages Show less packages

CVE-2026-8953

Medium priority
Not affected

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 26.04 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 Not in release
mozjs115 Not in release
Show all 9 packages Show less packages

CVE-2026-8952

Medium priority
Not affected

Privilege escalation in the Application Update component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.

9 affected packages

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

Package 26.04 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 Not in release
mozjs115 Not in release
Show all 9 packages Show less packages

CVE-2026-8951

Medium priority
Not affected

Spoofing issue in the Toolbar component in Firefox for Android. This vulnerability was fixed in Firefox 151.

9 affected packages

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

Package 26.04 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 Not in release
mozjs115 Not in release
Show all 9 packages Show less packages

CVE-2026-8950

Medium priority
Not affected

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 26.04 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 Not in release
mozjs115 Not in release
Show all 9 packages Show less packages

CVE-2026-8949

Medium priority
Not affected

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 26.04 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 Not in release
mozjs115 Not in release
Show all 9 packages Show less packages

CVE-2026-8948

Medium priority
Not affected

Same-origin policy bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.

9 affected packages

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

Package 26.04 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 Not in release
mozjs115 Not in release
Show all 9 packages Show less packages

CVE-2026-8947

Medium priority
Not affected

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 26.04 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 Not in release
mozjs115 Not in release
Show all 9 packages Show less packages

CVE-2026-8946

Medium priority
Not affected

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 26.04 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 Not in release
mozjs115 Not in release
Show all 9 packages Show less packages