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CVE-2026-2769

Medium priority
Vulnerable

Use-after-free in the Storage: IndexedDB component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.

9 affected packages

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

Package 22.04 LTS
firefox Not affected
thunderbird Vulnerable
mozjs38 Not in release
mozjs52 Not in release
mozjs68 Not in release
mozjs78 Ignored
mozjs91 Ignored
mozjs102 Ignored
mozjs115 Not in release
Show all 9 packages Show less packages

CVE-2026-2768

Medium priority
Vulnerable

Sandbox escape in the Storage: IndexedDB component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.

9 affected packages

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

Package 22.04 LTS
firefox Not affected
thunderbird Vulnerable
mozjs38 Not in release
mozjs52 Not in release
mozjs68 Not in release
mozjs78 Ignored
mozjs91 Ignored
mozjs102 Ignored
mozjs115 Not in release
Show all 9 packages Show less packages

CVE-2026-2767

Medium priority
Vulnerable

Use-after-free in the JavaScript: WebAssembly component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.

9 affected packages

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

Package 22.04 LTS
firefox Not affected
thunderbird Vulnerable
mozjs38 Not in release
mozjs52 Not in release
mozjs68 Not in release
mozjs78 Ignored
mozjs91 Ignored
mozjs102 Ignored
mozjs115 Not in release
Show all 9 packages Show less packages

CVE-2026-2766

Medium priority
Vulnerable

Use-after-free in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.

9 affected packages

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

Package 22.04 LTS
firefox Not affected
thunderbird Vulnerable
mozjs38 Not in release
mozjs52 Not in release
mozjs68 Not in release
mozjs78 Ignored
mozjs91 Ignored
mozjs102 Ignored
mozjs115 Not in release
Show all 9 packages Show less packages

CVE-2026-2765

Medium priority
Vulnerable

Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.

9 affected packages

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

Package 22.04 LTS
firefox Not affected
thunderbird Vulnerable
mozjs38 Not in release
mozjs52 Not in release
mozjs68 Not in release
mozjs78 Ignored
mozjs91 Ignored
mozjs102 Ignored
mozjs115 Not in release
Show all 9 packages Show less packages

CVE-2026-2764

Medium priority
Vulnerable

JIT miscompilation, use-after-free in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.

9 affected packages

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

Package 22.04 LTS
firefox Not affected
thunderbird Vulnerable
mozjs38 Not in release
mozjs52 Not in release
mozjs68 Not in release
mozjs78 Ignored
mozjs91 Ignored
mozjs102 Ignored
mozjs115 Not in release
Show all 9 packages Show less packages

CVE-2026-2763

Medium priority
Vulnerable

Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.

9 affected packages

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

Package 22.04 LTS
firefox Not affected
thunderbird Vulnerable
mozjs38 Not in release
mozjs52 Not in release
mozjs68 Not in release
mozjs78 Ignored
mozjs91 Ignored
mozjs102 Ignored
mozjs115 Not in release
Show all 9 packages Show less packages

CVE-2026-2762

Medium priority
Vulnerable

Integer overflow in the JavaScript: Standard Library component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.

9 affected packages

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

Package 22.04 LTS
firefox Not affected
thunderbird Vulnerable
mozjs38 Not in release
mozjs52 Not in release
mozjs68 Not in release
mozjs78 Ignored
mozjs91 Ignored
mozjs102 Ignored
mozjs115 Not in release
Show all 9 packages Show less packages

CVE-2026-2761

Medium priority
Vulnerable

Sandbox escape in the Graphics: WebRender component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.

9 affected packages

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

Package 22.04 LTS
firefox Not affected
thunderbird Vulnerable
mozjs38 Not in release
mozjs52 Not in release
mozjs68 Not in release
mozjs78 Ignored
mozjs91 Ignored
mozjs102 Ignored
mozjs115 Not in release
Show all 9 packages Show less packages

CVE-2026-2760

Medium priority
Vulnerable

Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.

9 affected packages

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

Package 22.04 LTS
firefox Not affected
thunderbird Vulnerable
mozjs38 Not in release
mozjs52 Not in release
mozjs68 Not in release
mozjs78 Ignored
mozjs91 Ignored
mozjs102 Ignored
mozjs115 Not in release
Show all 9 packages Show less packages