# DSA-5048-1: libreswan security update

DSA-5048-1, released January 15, 2022, fixes 1 CVE in libreswan (version 4.3-1+deb11u1). None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/linux/dsa-5048-1
- Platform: Linux
- Released: Jan 15, 2022
- Priority: High (Closes CVE-2022-23094, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://security-tracker.debian.org/tracker/CVE-2022-23094

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libreswan](https://patchblox.com/security/data/product/linux/libreswan.md) | Debian 11.6 (bullseye) | 4.3-1+deb11u1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2022-23094](https://patchblox.com/security/data/cve/CVE-2022-23094.md) | High | libreswan: Libreswan is an implementation of IPsec and IKE for Linux | 7.5 | 0.0254 |  |

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Data as of 2026-11-07T06:34:28Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo