Out-of-Bounds Affecting thunderbird package, versions [,142.0)
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Test your applications- Snyk IDSNYK-UNMANAGED-THUNDERBIRD-12028663
- published20 Aug 2025
- disclosed19 Aug 2025
- creditAndy Leiserson, Maurice Dauer, Sebastian Hengst
Introduced: 19 Aug 2025
NewCVE-2025-9187 (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 142.0 or higher.
Overview
Affected versions of this package are vulnerable to Out-of-Bounds via memory corruption in the rendering process. An attacker can execute arbitrary code by enticing a user to visit a specially crafted web page.