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CVE-2026-2797

Medium priority
Needs evaluation

Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.

9 affected packages

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

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

CVE-2026-2796

Medium priority
Needs evaluation

JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.

9 affected packages

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

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

CVE-2026-2795

Medium priority
Needs evaluation

Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.

9 affected packages

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

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

CVE-2026-2794

Medium priority
Needs evaluation

Information disclosure due to uninitialized memory in Firefox and Firefox Focus for Android. This vulnerability was fixed in Firefox 148.

9 affected packages

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

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

CVE-2026-2793

Medium priority
Needs evaluation

Memory safety bugs present in Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of...

9 affected packages

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

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

CVE-2026-2792

Medium priority
Needs evaluation

Memory safety bugs present in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been...

9 affected packages

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

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

CVE-2026-2791

Medium priority
Needs evaluation

Mitigation bypass in the Networking: Cache component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

9 affected packages

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

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

CVE-2026-2790

Medium priority
Needs evaluation

Same-origin policy bypass in the Networking: JAR component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

9 affected packages

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

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

CVE-2026-2789

Medium priority
Needs evaluation

Use-after-free in the Graphics: ImageLib component. This vulnerability was fixed in 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 18.04 LTS
firefox
thunderbird
mozjs38 Needs evaluation
mozjs52 Ignored
mozjs68
mozjs78
mozjs91
mozjs102
mozjs115
Show all 9 packages Show less packages

CVE-2026-2788

Medium priority
Needs evaluation

Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability was fixed in 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 18.04 LTS
firefox
thunderbird
mozjs38 Needs evaluation
mozjs52 Ignored
mozjs68
mozjs78
mozjs91
mozjs102
mozjs115
Show all 9 packages Show less packages