Latest CVE Feed

Vulnerabilities published in the last 30 days. Filter by severity, exploit status, or attack vector.

Score
Vulnerability
Published
9.8 CRITICAL
CVE-2026-8975 — Memory safety bugs fixed in Firefox ESR 115.36, Firefox ESR 140.11 and Firefox 151

Memory safety bugs present in Firefox ESR 115.35, Firefox ESR 140.10 and Firefox 150. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these coul…

firefox thunderbird | Remote | Memory Corruption
May 19, 2026 May 26, 2026
May 19, 2026
May 26, 2026
9.8 CRITICAL
CVE-2026-8974 — Memory safety bugs fixed in Firefox ESR 140.11 and Firefox 151

Memory safety bugs present in Firefox ESR 140.10 and Firefox 150. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploite…

firefox thunderbird | Remote | Memory Corruption
May 19, 2026 May 26, 2026
May 19, 2026
May 26, 2026
9.8 CRITICAL
CVE-2026-8973 — Memory safety bugs fixed in Firefox 151

Memory safety bugs present in Firefox 150. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code…

firefox thunderbird | Remote | Memory Corruption
May 19, 2026 May 26, 2026
May 19, 2026
May 26, 2026
8.8 HIGH
CVE-2026-8972 — Privilege escalation in the WebRTC: Audio/Video component

Privilege escalation in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.

firefox thunderbird | Remote | Authorization
May 19, 2026 May 20, 2026
May 19, 2026
May 20, 2026
6.5 MEDIUM
CVE-2026-8971 — Same-origin policy bypass in the Networking: JAR component

Same-origin policy bypass in the Networking: JAR component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.

firefox thunderbird | Remote
May 19, 2026 May 20, 2026
May 19, 2026
May 20, 2026
8.8 HIGH
CVE-2026-8970 — Privilege escalation in the Security component

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

firefox thunderbird | Remote | Authorization
May 19, 2026 May 20, 2026
May 19, 2026
May 20, 2026
8.1 HIGH
CVE-2026-8969 — Mitigation bypass in the DOM: Security component

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

firefox thunderbird | Remote | Cross-Site Scripting
May 19, 2026 May 20, 2026
May 19, 2026
May 20, 2026
7.5 HIGH
CVE-2026-8968 — Denial-of-service due to invalid pointer in the Audio/Video: Web Codecs component

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.

firefox thunderbird | Remote | Denial of Service
May 19, 2026 May 20, 2026
May 19, 2026
May 20, 2026
7.5 HIGH
CVE-2026-8967 — Information disclosure in the Graphics: WebGPU component

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

firefox thunderbird | Remote | Information Disclosure
May 19, 2026 May 20, 2026
May 19, 2026
May 20, 2026
7.5 HIGH
CVE-2026-8966 — Information disclosure in the IP Protection component

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

firefox thunderbird | Remote | Information Disclosure
May 19, 2026 May 20, 2026
May 19, 2026
May 20, 2026
7.5 HIGH
CVE-2026-8965 — Information disclosure in the DOM: Security component

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

firefox thunderbird | Remote | Information Disclosure
May 19, 2026 May 20, 2026
May 19, 2026
May 20, 2026
7.5 HIGH
CVE-2026-8964 — Spoofing issue in the Popup Blocker component

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

firefox thunderbird | Remote
May 19, 2026 May 20, 2026
May 19, 2026
May 20, 2026
7.5 HIGH
CVE-2026-8963 — Spoofing issue in the Web Speech component

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

firefox thunderbird | Remote
May 19, 2026 May 20, 2026
May 19, 2026
May 20, 2026
8.1 HIGH
CVE-2026-8962 — Mitigation bypass in the DOM: Security component

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

firefox thunderbird | Remote | Information Disclosure
May 19, 2026 May 20, 2026
May 19, 2026
May 20, 2026
6.5 MEDIUM
CVE-2026-8961 — Spoofing issue in the Form Autofill component

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

firefox thunderbird | Remote | Authentication
May 19, 2026 May 20, 2026
May 19, 2026
May 20, 2026
7.5 HIGH
CVE-2026-8960 — Spoofing issue in WebExtensions

Spoofing issue in WebExtensions. This vulnerability was fixed in Firefox 151 and Thunderbird 151.

firefox thunderbird | Remote | Authentication
May 19, 2026 May 20, 2026
May 19, 2026
May 20, 2026
9.6 CRITICAL
CVE-2026-8959 — Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component

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.

firefox thunderbird | Remote | Memory Corruption
May 19, 2026 May 20, 2026
May 19, 2026
May 20, 2026
8.6 HIGH
CVE-2026-8958 — Information disclosure, sandbox escape in the Security: Process Sandboxing component

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.

firefox thunderbird | Remote | Information Disclosure
May 19, 2026 May 20, 2026
May 19, 2026
May 20, 2026
8.8 HIGH
CVE-2026-8957 — Privilege escalation in the Enterprise Policies component

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

firefox thunderbird | Remote | Authorization
May 19, 2026 May 20, 2026
May 19, 2026
May 20, 2026
9.8 CRITICAL
CVE-2026-8956 — Integer overflow in the Networking: JAR component

Integer overflow in the Networking: JAR component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

firefox thunderbird | Remote | Memory Corruption
May 19, 2026 May 20, 2026
May 19, 2026
May 20, 2026
Showing 20 of 7019 Results