CVE-2026-118000

HighCVSS 8.1/10Last modified Nov 5, 2026

Description

Information disclosure in the Networking: HTTP component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

Metrics

CVSS 3.1 8.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-200

Affected software

No affected versions have been published.

Timeline

Published
Oct 27, 2026
Last modified
Nov 5, 2026
NVD status
Deferred

Related CVEs from 2026

CVE-2026-1180028.1Information disclosure due to race condition in the Networking component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, ThCVE-2026-1180038.1Information disclosure in the Networking: DNS component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, anCVE-2026-1180048.1Incorrect boundary conditions in the CSS Transitions and Animations component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.CVE-2026-1180058.8Use-after-free in the WebRTC: Signaling component. This vulnerability was fixed in Firefox 159 and Thunderbird 159.CVE-2026-1180068.8Privilege escalation due to use-after-free in the WebRTC: Signaling component. This vulnerability was fixed in Firefox 159 and Thunderbird 1CVE-2026-1180078.8Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 159, Thunderbird 159, Firefox ESR 153.7, and ThunderCVE-2026-1180088.8Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 159 and Thunderbird 159.CVE-2026-1180098.8Integer overflow, use-after-free in the Graphics: Text component. This vulnerability was fixed in Firefox 159 and Thunderbird 159.CVE-2026-118017.5The WPAdverts – Classifieds Plugin plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 2.3.2. TCVE-2026-1180108.8Use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 159 and Thunderbird 159.CVE-2026-1180118.8Frame poisoning in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 159 and Thunderbird 159.CVE-2026-1180128.8Use-after-free in the DOM: Animation component. This vulnerability was fixed in Firefox 159 and Thunderbird 159.
CVE-2026-118000: High severity, CVSS 8.1 | Vulnix