Red Hat Security Advisory: libreswan security update
A vulnerability in libreswan, an IPsec and IKE implementation for Linux, allows the IKEv1 default AH/ESP responder to crash and restart. This issue is tracked as CVE-2024-3652 and affects Red Hat Enterprise Linux 8 and related variants. The vulnerability has been rated with moderate security impact by Red Hat. A security update has been released to address this issue.
AI Analysis
Technical Summary
CVE-2024-3652 is a vulnerability in libreswan's IKEv1 default AH/ESP responder that can cause the responder to crash and restart. Libreswan provides IPsec and IKE services for Linux, enabling secure VPN tunnels. The crash could disrupt IPsec connections but does not indicate further exploitation details. Red Hat has issued security advisories RHSA-2024:4200 and RHSA-2024:4376 providing updated libreswan packages to fix this issue in Red Hat Enterprise Linux 8 and its Extended Update Support and Extended Life Cycle versions.
Potential Impact
The vulnerability can cause the IKEv1 default AH/ESP responder in libreswan to crash and restart, potentially disrupting VPN connections that rely on IPsec tunnels. There is no indication of code execution or data compromise from the advisory. The impact is rated as moderate by Red Hat.
Mitigation Recommendations
Red Hat has released updated libreswan packages that fix this vulnerability. Users should apply the security updates as described in Red Hat advisories RHSA-2024:4200 and RHSA-2024:4376. Detailed update instructions are available at https://access.redhat.com/articles/11258. Applying these updates mitigates the issue. No additional actions are required beyond patching.
Red Hat Security Advisory: libreswan security update
Description
A vulnerability in libreswan, an IPsec and IKE implementation for Linux, allows the IKEv1 default AH/ESP responder to crash and restart. This issue is tracked as CVE-2024-3652 and affects Red Hat Enterprise Linux 8 and related variants. The vulnerability has been rated with moderate security impact by Red Hat. A security update has been released to address this issue.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2024-3652 is a vulnerability in libreswan's IKEv1 default AH/ESP responder that can cause the responder to crash and restart. Libreswan provides IPsec and IKE services for Linux, enabling secure VPN tunnels. The crash could disrupt IPsec connections but does not indicate further exploitation details. Red Hat has issued security advisories RHSA-2024:4200 and RHSA-2024:4376 providing updated libreswan packages to fix this issue in Red Hat Enterprise Linux 8 and its Extended Update Support and Extended Life Cycle versions.
Potential Impact
The vulnerability can cause the IKEv1 default AH/ESP responder in libreswan to crash and restart, potentially disrupting VPN connections that rely on IPsec tunnels. There is no indication of code execution or data compromise from the advisory. The impact is rated as moderate by Red Hat.
Mitigation Recommendations
Red Hat has released updated libreswan packages that fix this vulnerability. Users should apply the security updates as described in Red Hat advisories RHSA-2024:4200 and RHSA-2024:4376. Detailed update instructions are available at https://access.redhat.com/articles/11258. Applying these updates mitigates the issue. No additional actions are required beyond patching.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2024:4200
- Cve Count
- 1
Threat ID: 6a8effeeacd9273b49088b99
Added to database: 08/26/2026, 15:02:06 UTC
Last enriched: 09/10/2026, 10:54:25 UTC
Last updated: 09/10/2026, 19:36:48 UTC
Views: 9
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.