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-2026-117945None
3d ago

Incorrect boundary conditions in the XML component

Incorrect boundary conditions 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-2026-117940None
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-2026-117938None
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-2026-117942None
3d ago

Incorrect boundary conditions in the JavaScript Engine: JIT component

Incorrect boundary conditions 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-2026-117935None
3d ago

Use-after-free in the DOM: Bindings (WebIDL) component

Use-after-free in the DOM: Bindings (WebIDL) 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-2026-117936None
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-2026-117933None
3d ago

Frame poisoning in the CSS Parsing and Computation component

Frame poisoning in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117932None
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-2026-117931None
3d ago

Use-after-free in the DOM: Events component

Use-after-free in the DOM: Events 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-2026-117937None
3d ago

Invalid pointer in the JavaScript Engine component

Invalid pointer 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-2026-117927None
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-2026-117934None
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-2026-117929None
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-2026-117925None
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-2026-117924None
3d ago

Use-after-free in the XSLT component

Use-after-free in the XSLT 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-2026-117923None
3d 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-2026-117922None
3d ago

Use-after-free in the Networking: WebSockets component

Use-after-free in the Networking: WebSockets 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-2026-117930None
3d ago

Use-after-free in the DOM: Bindings (WebIDL) component

Use-after-free in the DOM: Bindings (WebIDL) 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-2026-117928None
3d ago

Same-origin policy bypass in the CSS Parsing and Computation component

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

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117926None
3d ago

Incorrect boundary conditions in the SVG component

Incorrect boundary conditions 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-2026-117921None
3d 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-2026-117919None
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-2026-117914None
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-2026-117920None
3d ago

Use-after-free in the DOM: HTML Parser component

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

▾ SunlitMozilla · Firefoxvia CVEORG
CVE-2026-117915None
3d ago

Incorrect boundary conditions in the Layout: Block and Inline component

Incorrect boundary conditions in the Layout: Block and Inline 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-2026-117911None
3d 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-2026-117918None
3d ago

Use-after-free in the Graphics: Canvas2D component

Use-after-free in the Graphics: Canvas2D 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-2026-117912None
3d ago

Same-origin policy bypass in the CSS Parsing and Computation component

Same-origin policy bypass 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-2026-117917None
3d ago

Invalid pointer in the Graphics: WebRender component

Invalid pointer in the Graphics: WebRender 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-2026-117916None
3d ago

Use-after-free in the XSLT component

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

▾ SunlitMozilla · Firefoxvia CVEORG
thunderbird vulnerabilities (CVEs) — page 4 · VulnSea