VulnSea

firefox vulnerabilities

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

671 CVEsRSS

CVE-2026-117970None
5d 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
5d 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
5d 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
5d 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
5d 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
5d 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
5d 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
5d 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
5d 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
5d 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
5d 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
5d 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
5d 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
5d 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
5d 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
5d 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
5d 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
5d 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
5d 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
5d 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
5d 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
5d 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
5d 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
5d 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
5d 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-2026-117945None
5d 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
5d 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
5d 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
5d 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
5d 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
firefox vulnerabilities (CVEs) — page 3 · VulnSea