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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

CVE-2026-8960

Medium priority
Vulnerable

Spoofing issue in WebExtensions. 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-2026-8959

Medium priority
Vulnerable

Sandbox escape due to incorrect boundary conditions 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, 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-2026-8958

Medium priority
Vulnerable

Information disclosure, sandbox escape in the Security: Process Sandboxing 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-2026-8957

Medium priority
Vulnerable

Privilege escalation in the Enterprise Policies 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-2026-8956

Medium priority
Vulnerable

Integer overflow in the Networking: JAR 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-2026-8955

Medium priority
Vulnerable

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, 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