Unrated severityNVD Advisory· Published Apr 11, 2024· Updated Feb 27, 2026
IKEv1 default AH/ESP responder can cause libreswan to abort and restart
CVE-2024-3652
Description
The Libreswan Project was notified of an issue causing libreswan to restart when using IKEv1 without specifying an esp= line. When the peer requests AES-GMAC, libreswan's default proposal handler causes an assertion failure and crashes and restarts. IKEv2 connections are not affected.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- The Libreswan Project (www.libreswan.org)/libreswanv5Range: 3.22
Patches
Vulnerability mechanics
References
2- libreswan.org/security/CVE-2024-3652mitrevendor-advisory
- www.openwall.com/lists/oss-security/2024/04/18/2mitre
News mentions
0No linked articles in our index yet.