# CVE-2024-3652: libreswan: Libreswan is an implementation of IPsec and IKE for Linux

CVE-2024-3652 is fixed in 3 products on 1 platform, first by DEBIAN-CVE-2024-3652, released April 11, 2024. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2024-3652
- Priority: Routine
- CVSS: 6.5 (Moderate)
- EPSS: 0.0080
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 11, 2024

## Description

Libreswan is an implementation of IPsec and IKE for Linux. IPsec is the Internet Protocol Security and uses strong cryptography to provide both authentication and encryption services. These services allow you to build secure tunnels through untrusted networks such as virtual private network (VPN).  Security Fix(es):  * libreswan: IKEv1 default AH/ESP responder can crash and restart (CVE-2024-3652)  For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libreswan Debian 13.5 (trixie) | 4.15-1 | [DEBIAN-CVE-2024-3652](https://patchblox.com/security/data/fix/linux/debian-cve-2024-3652.md) | Apr 11, 2024 |
| Linux | libreswan RHEL 8 | 0:4.12-2.el8_10.4 | [RHSA-2024:4376](https://patchblox.com/security/data/fix/linux/rhsa-2024-4376.md) | Jul 8, 2024 |
| Linux | libreswan RHEL 9 | 0:4.12-2.el9_4.1 | [RHSA-2024:4050](https://patchblox.com/security/data/fix/linux/rhsa-2024-4050.md) | Jun 23, 2024 |
| Linux | libreswan almalinux 8 | 4.12-2.el8_10.4 | [ALSA-2024:4376](https://patchblox.com/security/data/fix/linux/alsa-2024-4376.md) | Jul 8, 2024 |
| Linux | libreswan almalinux 9 | 4.12-2.el9_4.1 | [ALSA-2024:4050](https://patchblox.com/security/data/fix/linux/alsa-2024-4050.md) | Jun 23, 2024 |
| Linux | libreswan amzn 2023 | 4.12-3.amzn2023.0.2 | [ALAS2023-2024-621](https://patchblox.com/security/data/fix/linux/alas2023-2024-621.md) | May 23, 2024 |
| Linux | libreswan ol 8 | 0:4.12-2.0.1.el8_10.4 | [ELSA-2024-4376](https://patchblox.com/security/data/fix/linux/elsa-2024-4376.md) | Jul 8, 2024 |
| Linux | libreswan ol 9 | 0:4.12-2.0.1.el9_4.1 | [ELSA-2024-4050](https://patchblox.com/security/data/fix/linux/elsa-2024-4050.md) | Jun 24, 2024 |
| Linux | libreswan rocky 8 | 0:4.12-2.el8_10.4 | [RLSA-2024:4376](https://patchblox.com/security/data/fix/linux/rlsa-2024-4376.md) | May 7, 2025 |
| Linux | libreswan rocky 9 | 0:4.12-2.el9_4.1 | [RLSA-2024:4050](https://patchblox.com/security/data/fix/linux/rlsa-2024-4050.md) | Jul 2, 2024 |
| Linux | libreswan-debuginfo amzn 2023 | 4.12-3.amzn2023.0.2 | [ALAS2023-2024-621](https://patchblox.com/security/data/fix/linux/alas2023-2024-621.md) | May 23, 2024 |
| Linux | libreswan-debugsource amzn 2023 | 4.12-3.amzn2023.0.2 | [ALAS2023-2024-621](https://patchblox.com/security/data/fix/linux/alas2023-2024-621.md) | May 23, 2024 |

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Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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