Latest CVE Feed

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

Score
Vulnerability
Published
5.4 MEDIUM
CVE-2026-109748 — Use-after-free in the JavaScript: WebAssembly component

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 158 and Thunderbird 158.

firefox thunderbird | Remote | Memory Corruption
Oct 13, 2026 Oct 13, 2026
Oct 13, 2026
Oct 13, 2026
7.3 HIGH
CVE-2026-109747 — Other issue in the Address Bar component

Other issue in the Address Bar component. This vulnerability was fixed in Firefox 158 and Thunderbird 158.

firefox thunderbird | Remote
Oct 13, 2026 Oct 19, 2026
Oct 13, 2026
Oct 19, 2026
7.3 HIGH
CVE-2026-109746 — Mitigation bypass in the DOM: Security component

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 158 and Thunderbird 158.

firefox thunderbird | Remote | Misconfiguration
Oct 13, 2026 Oct 19, 2026
Oct 13, 2026
Oct 19, 2026
9.6 CRITICAL
CVE-2026-109745 — Sandbox escape due to uninitialized memory in the DOM: Web Serial component

Sandbox escape due to uninitialized memory in the DOM: Web Serial component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

firefox thunderbird | Remote | Memory Corruption
Oct 13, 2026 Oct 19, 2026
Oct 13, 2026
Oct 19, 2026
8.1 HIGH
CVE-2026-109744 — Other issue in the DOM: File component

Other issue in the DOM: File component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

firefox thunderbird | Remote
Oct 13, 2026 Oct 19, 2026
Oct 13, 2026
Oct 19, 2026
8.8 HIGH
CVE-2026-109743 — Privilege escalation in the Panning and Zooming component

Privilege escalation in the Panning and Zooming component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

firefox thunderbird | Remote | Authorization
Oct 13, 2026 Oct 14, 2026
Oct 13, 2026
Oct 14, 2026
4.3 MEDIUM
CVE-2026-109742 — Information disclosure in the PDF Viewer component

Information disclosure in the PDF Viewer component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

firefox thunderbird | Remote | Information Disclosure
Oct 13, 2026 Oct 13, 2026
Oct 13, 2026
Oct 13, 2026
5.4 MEDIUM
CVE-2026-109741 — Use-after-free in the Storage: Bucket File System component

Use-after-free in the Storage: Bucket File System component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

firefox thunderbird | Remote | Memory Corruption
Oct 13, 2026 Oct 13, 2026
Oct 13, 2026
Oct 13, 2026
9.6 CRITICAL
CVE-2026-109740 — 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 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

firefox thunderbird | Remote | Misconfiguration
Oct 13, 2026 Oct 19, 2026
Oct 13, 2026
Oct 19, 2026
8.8 HIGH
CVE-2026-109739 — Privilege escalation in the WebExtensions component

Privilege escalation in the WebExtensions component. This vulnerability was fixed in Firefox 158 and Thunderbird 158.

firefox thunderbird | Remote | Authorization
Oct 13, 2026 Oct 14, 2026
Oct 13, 2026
Oct 14, 2026
5.4 MEDIUM
CVE-2026-109738 — Use-after-free in the Audio/Video: Playback component

Use-after-free in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

firefox thunderbird | Remote | Memory Corruption
Oct 13, 2026 Oct 13, 2026
Oct 13, 2026
Oct 13, 2026
8.1 HIGH
CVE-2026-109737 — Mitigation bypass in the Enterprise Policies component

Mitigation bypass in the Enterprise Policies component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

firefox thunderbird | Remote | Misconfiguration
Oct 13, 2026 Oct 19, 2026
Oct 13, 2026
Oct 19, 2026
8.1 HIGH
CVE-2026-109736 — Frame poisoning in the Layout component

Frame poisoning in the Layout component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

firefox thunderbird | Remote | Misconfiguration
Oct 13, 2026 Oct 19, 2026
Oct 13, 2026
Oct 19, 2026
5.4 MEDIUM
CVE-2026-109735 — Use-after-free in the DOM: Animation component

Use-after-free in the DOM: Animation component. This vulnerability was fixed in Firefox 158 and Thunderbird 158.

firefox thunderbird | Remote | Memory Corruption
Oct 13, 2026 Oct 13, 2026
Oct 13, 2026
Oct 13, 2026
8.1 HIGH
CVE-2026-109734 — Mitigation bypass in the DOM: Security component

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

firefox thunderbird | Remote | Misconfiguration
Oct 13, 2026 Oct 19, 2026
Oct 13, 2026
Oct 19, 2026
8.1 HIGH
CVE-2026-109733 — JIT miscompilation in the JavaScript Engine: JIT component

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

firefox thunderbird | Remote | Memory Corruption
Oct 13, 2026 Oct 15, 2026
Oct 13, 2026
Oct 15, 2026
5.4 MEDIUM
CVE-2026-109732 — Use-after-free in the DOM: Streams component

Use-after-free in the DOM: Streams component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

firefox thunderbird | Remote | Memory Corruption
Oct 13, 2026 Oct 13, 2026
Oct 13, 2026
Oct 13, 2026
5.4 MEDIUM
CVE-2026-109731 — Incorrect boundary conditions in the Graphics: Canvas2D component

Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

firefox thunderbird | Remote | Memory Corruption
Oct 13, 2026 Oct 19, 2026
Oct 13, 2026
Oct 19, 2026
8.8 HIGH
CVE-2026-109730 — Integer overflow in the Graphics component

Integer overflow in the Graphics component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

firefox thunderbird | Remote | Memory Corruption
Oct 13, 2026 Oct 15, 2026
Oct 13, 2026
Oct 15, 2026
5.4 MEDIUM
CVE-2026-109729 — Use-after-free in the JavaScript Engine: JIT component

Use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

firefox thunderbird | Remote | Memory Corruption
Oct 13, 2026 Oct 13, 2026
Oct 13, 2026
Oct 13, 2026
Showing 20 of 16741 Results