CVE Vulnerability Catalog

Translated CVE descriptions from NVD NIST - in English

Browse vulnerabilities by package

CISA KEV catalog updated: (v2026.10.23)

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CVE-2026-100816
High

Site isolation issue in the DOM: Networking component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.

CVE-2026-100815
High

Use-after-free vulnerability in the CSS Parsing and Computation component. Fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.

CVE-2026-100814
High

Incorrect boundary conditions in the JavaScript Engine: JIT component. Fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.

CVE-2026-100813
High

Invalid pointer in the JavaScript Engine: JIT component. Fixed in Thunderbird 157 and Firefox 157.

CVE-2026-100809
High

Same-origin policy bypass in the DevTools component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.

CVE-2026-100808
High

Vulnerability allows bypassing security mechanisms in the DOM: Service Workers component. It was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.

CVE-2026-100807
High

Privilege escalation vulnerability in the DOM: Service Workers component. Fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.

CVE-2026-100805
High

Race condition and use-after-free vulnerability in the Audio/Video component. Fixed in Thunderbird 157 and Firefox 157.

CVE-2026-100803
High

Vulnerability allows bypassing the same-origin policy in the WebExtensions component. It was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.

CVE-2026-100801
High

Privilege escalation vulnerability in the DLL Services component. Fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.

CVE-2026-100798
High

Vulnerability related to improper use of cryptography in the Storage: Quota Manager component. It was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.

CVE-2026-100797
High

Privilege escalation due to use-after-free in the Graphics: WebRender component. Fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.

CVE-2026-100796
High

Use-after-free vulnerability in the JavaScript: WebAssembly component. Fixed in Thunderbird 157 and Firefox 157.

CVE-2026-100792
High

Vulnerability related to JIT miscompilation in the JavaScript: WebAssembly component. It was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.

CVE-2026-100791
High

Use-after-free vulnerability in the DOM: Core & HTML component. It was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.

CVE-2026-100790
High

Use-after-free vulnerability in the XSLT component. It was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.

CVE-2026-100789
High

Use-after-free vulnerability in the Graphics: Canvas2D component. It was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.

CVE-2026-100785
High

Use-after-free vulnerability in the DOM: Core & HTML component. It was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.

CVE-2026-100784
High

Use-after-free vulnerability in the Layout: Text and Fonts component. It was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.

CVE-2026-100782
High

Privilege escalation due to incorrect boundary conditions in the Graphics component. It was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS