VulnSea

thunderbird vulnerabilities

CVEs whose affected-version data names the thunderbird package. Each record lists the affected and patched versions; check a specific version with the dependency checker or POST /api/sbom.

590 CVEsRSS

CVE-2026-117965None
3d ago

Same-origin policy bypass in the Address Bar component

Same-origin policy bypass in the Address Bar component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117968None
3d ago

Use-after-free in the DOM: Core & HTML component

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117967None
3d ago

Mitigation bypass in the DOM: Security component

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117973None
3d ago

Use-after-free in the Networking: DNS component

Use-after-free in the Networking: DNS component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117966None
3d ago

Site isolation issue in the Networking: HTTP component

Site isolation issue in the Networking: HTTP component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117970None
3d ago

Race condition in the Disability Access APIs component

Race condition in the Disability Access APIs component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117962None
3d ago

Sandbox escape due to incorrect boundary conditions in the Storage: Quota Manager component

Sandbox escape due to incorrect boundary conditions in the Storage: Quota Manager component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117969None
3d ago

Invalid pointer in the JavaScript Engine: JIT component

Invalid pointer in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117963None
3d ago

Incorrect boundary conditions in the DOM: Service Workers component

Incorrect boundary conditions in the DOM: Service Workers component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117964None
3d ago

Use-after-free in the Panning and Zooming component

Use-after-free in the Panning and Zooming component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117958None
3d ago

Site isolation issue in the Networking: HTTP component

Site isolation issue in the Networking: HTTP component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117956None
3d ago

Invalid pointer in the Nimbus Desktop Client component

Invalid pointer in the Nimbus Desktop Client component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117955None
3d ago

JIT miscompilation in the JavaScript: WebAssembly component

JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117954None
3d ago

Use-after-free in the Layout: Positioned component

Use-after-free in the Layout: Positioned component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117961None
3d ago

Incorrect boundary conditions in the Layout: Text and Fonts component

Incorrect boundary conditions in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117960None
3d ago

Spoofing issue in the DOM: Core & HTML component

Spoofing issue in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117959None
3d ago

Site isolation issue in the DOM: Service Workers component

Site isolation issue in the DOM: Service Workers component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117951None
3d ago

Use-after-free in the DOM: Core & HTML component

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117953None
3d ago

Use-after-free in the DOM: Core & HTML component

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117952None
3d ago

Uninitialized memory in the Networking component

Uninitialized memory in the Networking component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117957None
3d ago

Cryptographic issue in the WebRTC: Networking component

Cryptographic issue in the WebRTC: Networking component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117950None
3d ago

Incorrect boundary conditions in the DOM: Core & HTML component

Incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117949None
3d ago

Use-after-free in the DOM: Core & HTML component

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117947None
3d ago

Use-after-free in the XML component

Use-after-free in the XML component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117948None
3d ago

Use-after-free in the SVG component

Use-after-free in the SVG component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117946None
3d ago

Incorrect boundary conditions in the JavaScript Engine component

Incorrect boundary conditions in the JavaScript Engine component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117944None
3d ago

Use-after-free in the Layout component

Use-after-free in the Layout component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117943None
3d ago

Use-after-free in the DOM: Core & HTML component

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117941None
3d ago

Use-after-free in the DOM: CSS Object Model component

Use-after-free in the DOM: CSS Object Model component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117939None
3d ago

Use-after-free in the XML component

Use-after-free in the XML component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

▾ SunlitMozilla · Firefoxvia CVEORG
thunderbird vulnerabilities (CVEs) — page 3 · VulnSea