AUGUST 4, 2026
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Case File

CVE-2025-11719

CRITICAL · CVSS 9.8 EPSS 0.33%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2025-10-14 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. It affects Windows, Firefox.

CVE
CVE-2025-11719
Severity
CRITICAL
CVSS
9.8
EPSS
0.33%
Windows Firefox

Original NVD Description

Starting in Thunderbird 143, the use of the native messaging API by web extensions on Windows could lead to crashes caused by use-after-free memory corruption. This vulnerability was fixed in Firefox 144 and Thunderbird 144.

Related CVEs

Other vulnerabilities affecting the same vendor(s)