Reachable Assertion Affecting libreswan/libreswan package, versions [3.0.0,5.3.2)
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- published19 Jul 2026
- disclosed15 Jul 2026
- creditUnknown
Introduced: 15 Jul 2026
CVE-2026-14957 (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 libreswan/libreswan to version 5.3.2 or higher.
Overview
Affected versions of this package are vulnerable to Reachable Assertion via the processing of a malformed X.509 certificate in the daemon process. An attacker can cause the service to crash by submitting a specially crafted certificate.