CVE Vulnerability Catalog

Translated CVE descriptions from NVD NIST - in English

Browse vulnerabilities by package

CISA KEV catalog updated: (v2026.10.30)

Weekly CVE digest

One email a week with newly published vulnerabilities worth knowing about. No account needed.

This digest covers new vulnerabilities in general, not your servers. If you want to know which of them actually run in your infrastructure, that is what Secvalis does: it scans your machines and reports only what concerns them.

I agree to receive the weekly CVE digest at the address above. I can withdraw this consent at any time using the link in the footer of every message.

CVE-2026-100793
Medium

Vulnerability related to JIT miscompilation in the JavaScript Engine component. It was 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-2026-100788
Critical

Vulnerability related to an invalid pointer 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-2026-100787
Critical

Vulnerability allows sandbox escape in the XUL component. It was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.

CVE-2026-100786
Critical

Sandbox escape due to use-after-free in the Graphics component. Fixed in multiple Firefox and Thunderbird versions.

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-2026-100783
Medium

Uninitialized memory in the Audio/Video component. This vulnerability was fixed in multiple Firefox and Thunderbird versions.

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.

CVE-2026-100781
Critical

Vulnerability allows sandbox escape due to incorrect boundary conditions in the Graphics: WebRender 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-2026-100780
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-2026-100779
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-2026-100778
Critical

Sandbox escape due to use-after-free in the DOM: Core & HTML component. Fixed in multiple Firefox and Thunderbird versions.

CVE-2026-100777
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-2026-100776
High

Use-after-free vulnerability 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-2026-100775
Critical

Vulnerability allows sandbox escape 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.

CVE-2026-100774
High

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

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