Use After Free Affecting thunderbird package, versions [,144.0)
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Test your applications- Snyk IDSNYK-UNMANAGED-THUNDERBIRD-13545632
- published14 Oct 2025
- disclosed14 Oct 2025
- creditFilip Štamcar
Introduced: 14 Oct 2025
NewCVE-2025-11719 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade thunderbird to version 144.0 or higher.
Overview
Affected versions of this package are vulnerable to Use After Free via the native messaging API on Windows. An attacker can cause memory corruption and application crashes by triggering use-after-free conditions through crafted web extensions.