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CVE-2026-4704

Medium priority
Needs evaluation

Denial-of-service in the WebRTC: Signaling component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

9 affected packages

firefox, mozjs102, mozjs115, mozjs38, mozjs52...

Package 18.04 LTS
firefox
mozjs102
mozjs115
mozjs38 Needs evaluation
mozjs52 Ignored
mozjs68
mozjs78
mozjs91
thunderbird
Show all 9 packages Show less packages

CVE-2026-4702

Medium priority
Needs evaluation

JIT miscompilation in the JavaScript Engine component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

9 affected packages

firefox, mozjs102, mozjs115, mozjs38, mozjs52...

Package 18.04 LTS
firefox
mozjs102
mozjs115
mozjs38 Needs evaluation
mozjs52 Ignored
mozjs68
mozjs78
mozjs91
thunderbird
Show all 9 packages Show less packages

CVE-2026-4701

Medium priority
Needs evaluation

Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

9 affected packages

firefox, mozjs102, mozjs115, mozjs38, mozjs52...

Package 18.04 LTS
firefox
mozjs102
mozjs115
mozjs38 Needs evaluation
mozjs52 Ignored
mozjs68
mozjs78
mozjs91
thunderbird
Show all 9 packages Show less packages

CVE-2026-4700

Medium priority
Needs evaluation

Mitigation bypass in the Networking: HTTP component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

9 affected packages

firefox, mozjs102, mozjs115, mozjs38, mozjs52...

Package 18.04 LTS
firefox
mozjs102
mozjs115
mozjs38 Needs evaluation
mozjs52 Ignored
mozjs68
mozjs78
mozjs91
thunderbird
Show all 9 packages Show less packages

CVE-2026-4699

Medium priority
Needs evaluation

Incorrect boundary conditions in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

9 affected packages

firefox, mozjs102, mozjs115, mozjs38, mozjs52...

Package 18.04 LTS
firefox
mozjs102
mozjs115
mozjs38 Needs evaluation
mozjs52 Ignored
mozjs68
mozjs78
mozjs91
thunderbird
Show all 9 packages Show less packages

CVE-2026-4698

Medium priority
Needs evaluation

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

9 affected packages

firefox, mozjs102, mozjs115, mozjs38, mozjs52...

Package 18.04 LTS
firefox
mozjs102
mozjs115
mozjs38 Needs evaluation
mozjs52 Ignored
mozjs68
mozjs78
mozjs91
thunderbird
Show all 9 packages Show less packages

CVE-2026-4697

Medium priority
Needs evaluation

Incorrect boundary conditions in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

9 affected packages

firefox, mozjs102, mozjs115, mozjs38, mozjs52...

Package 18.04 LTS
firefox
mozjs102
mozjs115
mozjs38 Needs evaluation
mozjs52 Ignored
mozjs68
mozjs78
mozjs91
thunderbird
Show all 9 packages Show less packages

CVE-2026-4696

Medium priority
Needs evaluation

Use-after-free in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

9 affected packages

firefox, mozjs102, mozjs115, mozjs38, mozjs52...

Package 18.04 LTS
firefox
mozjs102
mozjs115
mozjs38 Needs evaluation
mozjs52 Ignored
mozjs68
mozjs78
mozjs91
thunderbird
Show all 9 packages Show less packages

CVE-2026-4695

Medium priority
Needs evaluation

Incorrect boundary conditions in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

9 affected packages

firefox, mozjs102, mozjs115, mozjs38, mozjs52...

Package 18.04 LTS
firefox
mozjs102
mozjs115
mozjs38 Needs evaluation
mozjs52 Ignored
mozjs68
mozjs78
mozjs91
thunderbird
Show all 9 packages Show less packages

CVE-2026-4694

Medium priority
Needs evaluation

Incorrect boundary conditions, integer overflow in the Graphics component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

9 affected packages

firefox, mozjs102, mozjs115, mozjs38, mozjs52...

Package 18.04 LTS
firefox
mozjs102
mozjs115
mozjs38 Needs evaluation
mozjs52 Ignored
mozjs68
mozjs78
mozjs91
thunderbird
Show all 9 packages Show less packages