CVE Vulnerability Catalog

Translated CVE descriptions from NVD NIST - in English

Browse vulnerabilities by package

CISA KEV catalog updated: (v2026.10.23)

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-2026-109754
High

A vulnerability in the DOM: Editor component is due to incorrect boundary conditions. It was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

CVE-2026-109753
High

A vulnerability in the Layout component is due to incorrect boundary conditions. It was fixed in Firefox 158, Firefox ESR 115.43, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

CVE-2026-109752
Medium

Use-after-free vulnerability in the DOM: Workers component of Firefox and Thunderbird. The flaw was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

CVE-2026-109751
Medium

Information disclosure vulnerability in the Networking component of Firefox and Thunderbird. The flaw was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

CVE-2026-109750
Critical

A vulnerability in the DOM: Web Authentication component causes a site isolation issue. It was fixed in Firefox 158 and Thunderbird 158.

CVE-2026-109749
Medium

Use-after-free vulnerability in the JavaScript: WebAssembly component of Firefox and Thunderbird. The flaw was fixed in Firefox 158 and Thunderbird 158.

CVE-2026-109748
Medium

Use-after-free vulnerability in the JavaScript: WebAssembly component of Firefox and Thunderbird. The flaw was fixed in Firefox 158 and Thunderbird 158.

CVE-2026-109747
High

Other issue in the Address Bar component. It was fixed in Firefox 158 and Thunderbird 158.

CVE-2026-109746
High

Mitigation bypass in the DOM: Security component. It was fixed in Firefox 158 and Thunderbird 158.

CVE-2026-109745
Critical

Sandbox escape due to uninitialized memory in the DOM: Web Serial component. It was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

CVE-2026-109744
High

Other issue in the DOM: File component. It was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

CVE-2026-109743
High

Privilege escalation vulnerability in the Panning and Zooming component. The flaw was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

CVE-2026-109742
Medium

Information disclosure vulnerability in the PDF Viewer component of Firefox and Thunderbird. The flaw was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

CVE-2026-109741
Medium

Use-after-free vulnerability in the Storage: Bucket File System component of Firefox and Thunderbird. The flaw was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

CVE-2026-109740
Critical

Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. The flaw was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

CVE-2026-109739
High

Privilege escalation vulnerability in the WebExtensions component. The flaw was fixed in Firefox 158 and Thunderbird 158.

CVE-2026-109738
Medium

Use-after-free vulnerability in the Audio/Video: Playback component of Firefox and Thunderbird. The flaw was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

CVE-2026-109737
High

Mitigation bypass in the Enterprise Policies component. The flaw was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

CVE-2026-109736
High

Frame poisoning vulnerability in the Layout component. The flaw was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

CVE-2026-109735
Medium

Use-after-free vulnerability in the DOM: Animation component of Firefox and Thunderbird. Fixed in version 158.

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