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CVE-2026-117924

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117923

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117922

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117921

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117920

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117919

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117918

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117917

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117916

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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

CVE-2026-117915

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117914

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117913

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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

CVE-2026-117912

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117911

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117910

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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

CVE-2026-117909

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117908

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117907

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117906

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117905

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117904

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117903

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117902

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117901

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117900

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117899

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117898

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117897

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117896

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117895

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117894

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117893

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117892

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117891

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117890

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117889

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117888

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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

CVE-2026-117887

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117886

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117885

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117884

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117883

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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

CVE-2026-117882

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117881

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117880

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117879

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117878

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

Other issue, use-after-free in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

CVE-2026-117877

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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.

CVE-2026-117876

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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

CVE-2026-117875

Threat Intelligence NVD CVE 危険度: medium 緊急度: medium

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