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CVE-2026-8970

Medium priority
Vulnerable

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

9 affected packages

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

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
firefox Not affected Not affected Not affected — —
mozjs102 Not in release Ignored Ignored — —
mozjs115 Not in release Ignored Not in release — —
mozjs38 Not in release Not in release Not in release — Needs evaluation
mozjs52 Not in release Not in release Not in release Ignored Ignored
mozjs68 Not in release Not in release Not in release Ignored —
mozjs78 Not in release Not in release Ignored — —
mozjs91 Not in release Not in release Ignored — —
thunderbird Not affected Not affected Vulnerable — —
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CVE-2026-8969

Medium priority
Vulnerable

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.

9 affected packages

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

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
firefox Not affected Not affected Not affected — —
mozjs102 Not in release Ignored Ignored — —
mozjs115 Not in release Ignored Not in release — —
mozjs38 Not in release Not in release Not in release — Needs evaluation
mozjs52 Not in release Not in release Not in release Ignored Ignored
mozjs68 Not in release Not in release Not in release Ignored —
mozjs78 Not in release Not in release Ignored — —
mozjs91 Not in release Not in release Ignored — —
thunderbird Not affected Not affected Vulnerable — —
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CVE-2026-8968

Medium priority
Vulnerable

Denial-of-service due to invalid pointer in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

9 affected packages

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

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
firefox Not affected Not affected Not affected — —
mozjs102 Not in release Ignored Ignored — —
mozjs115 Not in release Ignored Not in release — —
mozjs38 Not in release Not in release Not in release — Needs evaluation
mozjs52 Not in release Not in release Not in release Ignored Ignored
mozjs68 Not in release Not in release Not in release Ignored —
mozjs78 Not in release Not in release Ignored — —
mozjs91 Not in release Not in release Ignored — —
thunderbird Not affected Not affected Vulnerable — —
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CVE-2026-8967

Medium priority
Vulnerable

Information disclosure in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.

9 affected packages

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

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
firefox Not affected Not affected Not affected — —
mozjs102 Not in release Ignored Ignored — —
mozjs115 Not in release Ignored Not in release — —
mozjs38 Not in release Not in release Not in release — Needs evaluation
mozjs52 Not in release Not in release Not in release Ignored Ignored
mozjs68 Not in release Not in release Not in release Ignored —
mozjs78 Not in release Not in release Ignored — —
mozjs91 Not in release Not in release Ignored — —
thunderbird Not affected Not affected Vulnerable — —
Show all 9 packages Show less packages

CVE-2026-8966

Medium priority
Vulnerable

Information disclosure in the IP Protection component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.

9 affected packages

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

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
firefox Not affected Not affected Not affected — —
mozjs102 Not in release Ignored Ignored — —
mozjs115 Not in release Ignored Not in release — —
mozjs38 Not in release Not in release Not in release — Needs evaluation
mozjs52 Not in release Not in release Not in release Ignored Ignored
mozjs68 Not in release Not in release Not in release Ignored —
mozjs78 Not in release Not in release Ignored — —
mozjs91 Not in release Not in release Ignored — —
thunderbird Not affected Not affected Vulnerable — —
Show all 9 packages Show less packages

CVE-2026-8965

Medium priority
Vulnerable

Information disclosure in the DOM: Security component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.

9 affected packages

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

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
firefox Not affected Not affected Not affected — —
mozjs102 Not in release Ignored Ignored — —
mozjs115 Not in release Ignored Not in release — —
mozjs38 Not in release Not in release Not in release — Needs evaluation
mozjs52 Not in release Not in release Not in release Ignored Ignored
mozjs68 Not in release Not in release Not in release Ignored —
mozjs78 Not in release Not in release Ignored — —
mozjs91 Not in release Not in release Ignored — —
thunderbird Not affected Not affected Vulnerable — —
Show all 9 packages Show less packages

CVE-2026-8964

Medium priority
Vulnerable

Spoofing issue in the Popup Blocker component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.

9 affected packages

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

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
firefox Not affected Not affected Not affected — —
mozjs102 Not in release Ignored Ignored — —
mozjs115 Not in release Ignored Not in release — —
mozjs38 Not in release Not in release Not in release — Needs evaluation
mozjs52 Not in release Not in release Not in release Ignored Ignored
mozjs68 Not in release Not in release Not in release Ignored —
mozjs78 Not in release Not in release Ignored — —
mozjs91 Not in release Not in release Ignored — —
thunderbird Not affected Not affected Vulnerable — —
Show all 9 packages Show less packages

CVE-2026-8963

Medium priority
Vulnerable

Spoofing issue in the Web Speech component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.

9 affected packages

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

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
firefox Not affected Not affected Not affected — —
mozjs102 Not in release Ignored Ignored — —
mozjs115 Not in release Ignored Not in release — —
mozjs38 Not in release Not in release Not in release — Needs evaluation
mozjs52 Not in release Not in release Not in release Ignored Ignored
mozjs68 Not in release Not in release Not in release Ignored —
mozjs78 Not in release Not in release Ignored — —
mozjs91 Not in release Not in release Ignored — —
thunderbird Not affected Not affected Vulnerable — —
Show all 9 packages Show less packages

CVE-2026-8962

Medium priority
Vulnerable

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

9 affected packages

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

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
firefox Not affected Not affected Not affected — —
mozjs102 Not in release Ignored Ignored — —
mozjs115 Not in release Ignored Not in release — —
mozjs38 Not in release Not in release Not in release — Needs evaluation
mozjs52 Not in release Not in release Not in release Ignored Ignored
mozjs68 Not in release Not in release Not in release Ignored —
mozjs78 Not in release Not in release Ignored — —
mozjs91 Not in release Not in release Ignored — —
thunderbird Not affected Not affected Vulnerable — —
Show all 9 packages Show less packages

CVE-2026-8961

Medium priority
Vulnerable

Spoofing issue in the Form Autofill component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

9 affected packages

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

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
firefox Not affected Not affected Not affected — —
mozjs102 Not in release Ignored Ignored — —
mozjs115 Not in release Ignored Not in release — —
mozjs38 Not in release Not in release Not in release — Needs evaluation
mozjs52 Not in release Not in release Not in release Ignored Ignored
mozjs68 Not in release Not in release Not in release Ignored —
mozjs78 Not in release Not in release Ignored — —
mozjs91 Not in release Not in release Ignored — —
thunderbird Not affected Not affected Vulnerable — —
Show all 9 packages Show less packages