# ELSA-2023-2120: libreswan security update

ELSA-2023-2120, released May 5, 2023, fixes 1 CVE in libreswan (version 0:4.6-3.0.1.el9_1.1). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/elsa-2023-2120
- Platform: Linux
- Released: May 5, 2023
- Priority: High (Closes CVE-2023-30570, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://linux.oracle.com/errata/ELSA-2023-2120.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libreswan](https://patchblox.com/security/data/product/linux/libreswan.md) | ol 9 | 0:4.6-3.0.1.el9_1.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-30570](https://patchblox.com/security/data/cve/CVE-2023-30570.md) | High | libreswan: Libreswan is an implementation of IPsec and IKE for Linux | 7.5 | 0.0119 |  |

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Data as of 2026-11-07T12:40:37Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo