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-2026-117913None
4d ago

Use-after-free in the SVG component

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

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117910None
4d ago

Invalid pointer in the JavaScript Engine component

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

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117906None
4d ago

Use-after-free in the CSS Parsing and Computation component

Use-after-free in the CSS Parsing and Computation 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-2026-117903None
4d ago

Use-after-free in the Audio/Video component

Use-after-free in the Audio/Video 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-2026-117907None
4d ago

Use-after-free in the Networking component

Use-after-free 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-2026-117905None
4d ago

Use-after-free in the Audio/Video: Playback component

Use-after-free in the Audio/Video: Playback 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-2026-117908None
4d ago

Use-after-free in the Graphics: ImageLib component

Use-after-free in the Graphics: ImageLib 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-2026-117901None
4d 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-2026-117909None
4d ago

Use-after-free in the JavaScript: GC component

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

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117902None
4d ago

Use-after-free in the Layout: Text and Fonts component

Use-after-free 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-2026-117904None
4d ago

Use-after-free in the JavaScript: GC component

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

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117898None
4d ago

Use-after-free in the JavaScript Engine: JIT component

Use-after-free 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-2026-117897None
4d ago

Incorrect boundary conditions in the Layout: Tables component

Incorrect boundary conditions in the Layout: Tables 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-2026-117895None
4d 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-2026-117900None
4d ago

Use-after-free in the DOM: Editor component

Use-after-free in the DOM: Editor 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-2026-117896None
4d 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-2026-117899None
4d ago

Use-after-free in the Networking: HTTP component

Use-after-free 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-2026-117893None
4d ago

Incorrect boundary conditions in the Security: PSM component

Incorrect boundary conditions in the Security: PSM 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-2026-117891None
4d ago

Use-after-free in the JavaScript Engine: JIT component

Use-after-free in the JavaScript Engine: JIT 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-2026-117887None
4d 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-2026-117890None
4d ago

JIT miscompilation in the JavaScript Engine: JIT component

JIT miscompilation 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-2026-117884None
4d ago

Use-after-free in the Networking component

Use-after-free 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-2026-117894None
4d ago

Incorrect boundary conditions in the WebRTC: Signaling component

Incorrect boundary conditions in the WebRTC: Signaling component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117888None
4d ago

Uninitialized memory in the Graphics: Canvas2D component

Uninitialized memory in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117886None
4d ago

Incorrect boundary conditions in the Graphics: Text component

Incorrect boundary conditions in the Graphics: Text 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-2026-117885None
4d ago

Use-after-free in the Layout: Grid component

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

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117892None
4d ago

Privilege escalation due to use-after-free in the WebRTC: Networking component

Privilege escalation due to use-after-free in the WebRTC: 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-2026-117880None
4d 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
CVE-2026-117889None
4d 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-2026-117881None
4d 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
thunderbird vulnerabilities (CVEs) — page 5 · VulnSea