# libreswan security updates

Patch Radar has 91 security fixes for libreswan, closing 20 CVEs. The newest security fix is ALAS2023-2026-3253 (4.12-3.amzn2023.0.4), released November 7, 2026.

- Web page: https://patchblox.com/security/product/linux/libreswan
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [ALAS2023-2026-3253](https://patchblox.com/security/data/fix/linux/alas2023-2026-3253.md) | Nov 7, 2026 | amzn 2023 4.12-3.amzn2023.0.4 | High | 2 | 0 |
| [ELSA-2026-89923](https://patchblox.com/security/data/fix/linux/elsa-2026-89923.md) | Nov 7, 2026 | ol 10 0:5.3.3-1.0.1.el10_2 | High | 3 | 0 |
| [ELSA-2026-89748](https://patchblox.com/security/data/fix/linux/elsa-2026-89748.md) | Nov 7, 2026 | ol 9 0:4.15-11.0.1.el9_8 | High | 3 | 0 |
| [ELSA-2026-90492](https://patchblox.com/security/data/fix/linux/elsa-2026-90492.md) | Nov 7, 2026 | ol 8 0:4.12-2.0.1.el8_10.7 | High | 3 | 0 |
| [ALSA-2026:89748](https://patchblox.com/security/data/fix/linux/alsa-2026-89748.md) | Nov 7, 2026 | almalinux 9 4.15-11.el9_8 | High | 3 | 0 |
| [ALSA-2026:90492](https://patchblox.com/security/data/fix/linux/alsa-2026-90492.md) | Nov 7, 2026 | almalinux 8 4.12-2.el8_10.7 | High | 3 | 0 |
| [ALSA-2026:89923](https://patchblox.com/security/data/fix/linux/alsa-2026-89923.md) | Nov 7, 2026 | almalinux 10 5.3.3-1.el10_2 | High | 3 | 0 |
| [RLSA-2026:89748](https://patchblox.com/security/data/fix/linux/rlsa-2026-89748.md) | Nov 7, 2026 | rocky 9 0:4.15-11.el9_8 | High | 3 | 0 |
| [RLSA-2026:90492](https://patchblox.com/security/data/fix/linux/rlsa-2026-90492.md) | Nov 7, 2026 | rocky 8 0:4.12-2.el8_10.7 | High | 3 | 0 |
| [RLSA-2026:89923](https://patchblox.com/security/data/fix/linux/rlsa-2026-89923.md) | Nov 7, 2026 | rocky 10 0:5.3.3-1.el10_2 | High | 3 | 0 |
| [RHSA-2026:90492](https://patchblox.com/security/data/fix/linux/rhsa-2026-90492.md) | Oct 29, 2026 | RHEL 8 0:4.12-2.el8_10.7 | High | 3 | 0 |
| [RHSA-2026:89748](https://patchblox.com/security/data/fix/linux/rhsa-2026-89748.md) | Oct 27, 2026 | RHEL 9 0:4.15-11.el9_8 | High | 3 | 0 |
| [RHSA-2026:89923](https://patchblox.com/security/data/fix/linux/rhsa-2026-89923.md) | Oct 27, 2026 | RHEL 10 5.3.3-1.el10_2 | High | 3 | 0 |
| [ALAS2023-2026-2039](https://patchblox.com/security/data/fix/linux/alas2023-2026-2039.md) | Aug 3, 2026 | amzn 2023 4.12-3.amzn2023.0.3 | High | 3 | 0 |
| [RLSA-2026:46398](https://patchblox.com/security/data/fix/linux/rlsa-2026-46398.md) | Jul 28, 2026 | rocky 10 0:5.3.2-1.el10_2 | High | 4 | 0 |
| [RHSA-2026:55449](https://patchblox.com/security/data/fix/linux/rhsa-2026-55449.md) | Jul 28, 2026 | RHEL 10 5.2-1.el10_0.5 | High | 4 | 0 |
| [RLSA-2026:46396](https://patchblox.com/security/data/fix/linux/rlsa-2026-46396.md) | Jul 28, 2026 | rocky 8 0:4.12-2.el8_10.6 | High | 4 | 0 |
| [RHSA-2026:46397](https://patchblox.com/security/data/fix/linux/rhsa-2026-46397.md) | Jul 27, 2026 | RHEL 9 0:4.15-10.el9_8 | High | 4 | 0 |
| [RHSA-2026:46396](https://patchblox.com/security/data/fix/linux/rhsa-2026-46396.md) | Jul 27, 2026 | RHEL 8 0:4.12-2.el8_10.6 | High | 4 | 0 |
| [RLSA-2026:46397](https://patchblox.com/security/data/fix/linux/rlsa-2026-46397.md) | Jul 27, 2026 | rocky 9 0:4.15-10.el9_8 | High | 4 | 0 |
| [ALSA-2026:46396](https://patchblox.com/security/data/fix/linux/alsa-2026-46396.md) | Jul 27, 2026 | almalinux 8 4.12-2.el8_10.6 | High | 4 | 0 |
| [ALSA-2026:46397](https://patchblox.com/security/data/fix/linux/alsa-2026-46397.md) | Jul 27, 2026 | almalinux 9 4.15-10.el9_8 | High | 4 | 0 |
| [ALSA-2026:46398](https://patchblox.com/security/data/fix/linux/alsa-2026-46398.md) | Jul 27, 2026 | almalinux 10 5.3.2-1.el10_2 | High | 4 | 0 |
| [ELSA-2026-46396](https://patchblox.com/security/data/fix/linux/elsa-2026-46396.md) | Jul 27, 2026 | ol 8 0:4.12-2.0.1.el8_10.6 | High | 4 | 0 |
| [ELSA-2026-46397](https://patchblox.com/security/data/fix/linux/elsa-2026-46397.md) | Jul 27, 2026 | ol 9 0:4.15-10.0.1.el9_8 | High | 4 | 0 |
| [ELSA-2026-46398](https://patchblox.com/security/data/fix/linux/elsa-2026-46398.md) | Jul 27, 2026 | ol 10 0:5.3.2-1.el10_2 | High | 4 | 0 |
| [RLSA-2023:7052](https://patchblox.com/security/data/fix/linux/rlsa-2023-7052.md) | May 21, 2026 | rocky 8 0:4.12-2.el8_10.3 | Routine | 3 | 0 |
| [libreswan 3.27-6](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libreswan-3.27-6.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 3.27-6 | Routine | 1 | 0 |
| [libreswan 3.27-6](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libreswan-3.27-6.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 3.27-6 | Routine | 1 | 0 |
| [RLSA-2024:4376](https://patchblox.com/security/data/fix/linux/rlsa-2024-4376.md) | May 7, 2025 | rocky 8 0:4.12-2.el8_10.4 | Routine | 1 | 0 |
| [ALSA-2024:4376](https://patchblox.com/security/data/fix/linux/alsa-2024-4376.md) | Jul 8, 2024 | almalinux 8 4.12-2.el8_10.4 | Routine | 1 | 0 |
| [ELSA-2024-4376](https://patchblox.com/security/data/fix/linux/elsa-2024-4376.md) | Jul 8, 2024 | ol 8 0:4.12-2.0.1.el8_10.4 | Routine | 1 | 0 |
| [RHSA-2024:4376](https://patchblox.com/security/data/fix/linux/rhsa-2024-4376.md) | Jul 8, 2024 | RHEL 8 0:4.12-2.el8_10.4 | Routine | 1 | 0 |
| [RLSA-2024:4050](https://patchblox.com/security/data/fix/linux/rlsa-2024-4050.md) | Jul 2, 2024 | rocky 9 0:4.12-2.el9_4.1 | Routine | 1 | 0 |
| [ELSA-2024-4050](https://patchblox.com/security/data/fix/linux/elsa-2024-4050.md) | Jun 24, 2024 | ol 9 0:4.12-2.0.1.el9_4.1 | Routine | 1 | 0 |
| [ALSA-2024:4050](https://patchblox.com/security/data/fix/linux/alsa-2024-4050.md) | Jun 23, 2024 | almalinux 9 4.12-2.el9_4.1 | Routine | 1 | 0 |
| [RHSA-2024:4050](https://patchblox.com/security/data/fix/linux/rhsa-2024-4050.md) | Jun 23, 2024 | RHEL 9 0:4.12-2.el9_4.1 | Routine | 1 | 0 |
| [ALAS2023-2024-621](https://patchblox.com/security/data/fix/linux/alas2023-2024-621.md) | May 23, 2024 | amzn 2023 4.12-3.amzn2023.0.2 | Routine | 1 | 0 |
| [RLSA-2024:2565](https://patchblox.com/security/data/fix/linux/rlsa-2024-2565.md) | May 10, 2024 | rocky 9 0:4.12-2.el9_4 | Routine | 1 | 0 |
| [RLSA-2024:1998](https://patchblox.com/security/data/fix/linux/rlsa-2024-1998.md) | May 6, 2024 | rocky 8 0:4.12-2.el8_9.2 | Routine | 1 | 0 |
| [ALSA-2024:2565](https://patchblox.com/security/data/fix/linux/alsa-2024-2565.md) | Apr 30, 2024 | almalinux 9 4.12-2.el9_4.alma.1 | Routine | 1 | 0 |
| [RHSA-2024:2565](https://patchblox.com/security/data/fix/linux/rhsa-2024-2565.md) | Apr 30, 2024 | RHEL 9 0:4.12-2.el9_4 | Routine | 1 | 0 |
| [ELSA-2024-2033](https://patchblox.com/security/data/fix/linux/elsa-2024-2033.md) | Apr 24, 2024 | ol 9 0:4.12-1.0.1.el9_3.1 | Routine | 1 | 0 |
| [ALSA-2024:1998](https://patchblox.com/security/data/fix/linux/alsa-2024-1998.md) | Apr 23, 2024 | almalinux 8 4.12-2.el8_9.2.alma.1 | Routine | 1 | 0 |
| [ELSA-2024-1998](https://patchblox.com/security/data/fix/linux/elsa-2024-1998.md) | Apr 23, 2024 | ol 8 0:4.12-2.0.1.el8_9.2 | Routine | 1 | 0 |
| [RHSA-2024:1998](https://patchblox.com/security/data/fix/linux/rhsa-2024-1998.md) | Apr 23, 2024 | RHEL 8 0:4.12-2.el8_9.2 | Routine | 1 | 0 |
| [DEBIAN-CVE-2024-3652](https://patchblox.com/security/data/fix/linux/debian-cve-2024-3652.md) | Apr 11, 2024 | Debian 13.5 (trixie) 4.15-1 | Routine | 1 | 0 |
| [ALAS2023-2024-587](https://patchblox.com/security/data/fix/linux/alas2023-2024-587.md) | Apr 10, 2024 | amzn 2023 4.12-3.amzn2023.0.1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2024-2357](https://patchblox.com/security/data/fix/linux/debian-cve-2024-2357.md) | Mar 11, 2024 | Debian 13.5 (trixie) 4.14-1 | Routine | 1 | 0 |
| [ELSA-2023-7052](https://patchblox.com/security/data/fix/linux/elsa-2023-7052.md) | Nov 17, 2023 | ol 8 0:4.12-2.0.1.el8 | Routine | 3 | 0 |
| [ALSA-2023:7052](https://patchblox.com/security/data/fix/linux/alsa-2023-7052.md) | Nov 14, 2023 | almalinux 8 4.12-2.el8 | Routine | 3 | 0 |
| [RHSA-2023:7052](https://patchblox.com/security/data/fix/linux/rhsa-2023-7052.md) | Nov 14, 2023 | RHEL 8 0:4.12-2.el8 | Routine | 3 | 0 |
| [ELSA-2023-6549](https://patchblox.com/security/data/fix/linux/elsa-2023-6549.md) | Nov 11, 2023 | ol 9 0:4.12-1.0.1.el9 | Routine | 3 | 0 |
| [ALSA-2023:6549](https://patchblox.com/security/data/fix/linux/alsa-2023-6549.md) | Nov 7, 2023 | almalinux 9 4.12-1.el9 | Routine | 3 | 0 |
| [RHSA-2023:6549](https://patchblox.com/security/data/fix/linux/rhsa-2023-6549.md) | Nov 7, 2023 | RHEL 9 0:4.12-1.el9 | Routine | 3 | 0 |
| [DEBIAN-CVE-2023-38712](https://patchblox.com/security/data/fix/linux/debian-cve-2023-38712.md) | Aug 25, 2023 | Debian 13.5 (trixie) 4.12-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2023-38711](https://patchblox.com/security/data/fix/linux/debian-cve-2023-38711.md) | Aug 25, 2023 | Debian 13.5 (trixie) 4.12-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2023-38710](https://patchblox.com/security/data/fix/linux/debian-cve-2023-38710.md) | Aug 25, 2023 | Debian 13.5 (trixie) 4.12-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2023-30570](https://patchblox.com/security/data/fix/linux/debian-cve-2023-30570.md) | May 29, 2023 | Debian 13.5 (trixie) 4.11-1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-30570](https://patchblox.com/security/data/fix/linux/debian-cve-2023-30570.md) | May 29, 2023 | Debian 12.15 (bookworm) 4.10-2+deb12u1 | High | 1 | 0 |
| [ELSA-2023-3107](https://patchblox.com/security/data/fix/linux/elsa-2023-3107.md) | May 24, 2023 | ol 8 0:4.9-3.0.1.el8_8 | High | 1 | 0 |
| [ELSA-2023-3095](https://patchblox.com/security/data/fix/linux/elsa-2023-3095.md) | May 24, 2023 | ol 8 0:4.9-2.0.1.el8_8.2 | Routine | 1 | 0 |
| [RLSA-2023:3107](https://patchblox.com/security/data/fix/linux/rlsa-2023-3107.md) | May 18, 2023 | rocky 8 0:4.9-3.el8_8 | High | 1 | 0 |
| [ELSA-2023-3148](https://patchblox.com/security/data/fix/linux/elsa-2023-3148.md) | May 17, 2023 | ol 9 0:4.9-4.0.1.el9_2 | High | 1 | 0 |
| [ELSA-2023-2633](https://patchblox.com/security/data/fix/linux/elsa-2023-2633.md) | May 17, 2023 | ol 9 0:4.9-2.0.1.el9_2 | Routine | 1 | 0 |
| [ALSA-2023:3107](https://patchblox.com/security/data/fix/linux/alsa-2023-3107.md) | May 16, 2023 | almalinux 8 4.9-3.el8_8 | High | 2 | 0 |
| [ALSA-2023:3148](https://patchblox.com/security/data/fix/linux/alsa-2023-3148.md) | May 16, 2023 | almalinux 9 4.9-4.el9_2 | High | 2 | 0 |
| [RHSA-2023:3107](https://patchblox.com/security/data/fix/linux/rhsa-2023-3107.md) | May 16, 2023 | RHEL 8 0:4.9-3.el8_8 | High | 1 | 0 |
| [RHSA-2023:3148](https://patchblox.com/security/data/fix/linux/rhsa-2023-3148.md) | May 16, 2023 | RHEL 9 0:4.9-4.el9_2 | High | 1 | 0 |
| [ALSA-2023:3095](https://patchblox.com/security/data/fix/linux/alsa-2023-3095.md) | May 16, 2023 | almalinux 8 4.9-2.el8_8.2 | Routine | 1 | 0 |
| [RHSA-2023:3095](https://patchblox.com/security/data/fix/linux/rhsa-2023-3095.md) | May 16, 2023 | RHEL 8 0:4.9-2.el8_8.2 | Routine | 1 | 0 |
| [ALSA-2023:2633](https://patchblox.com/security/data/fix/linux/alsa-2023-2633.md) | May 9, 2023 | almalinux 9 4.9-2.el9_2 | Routine | 1 | 0 |
| [RHSA-2023:2633](https://patchblox.com/security/data/fix/linux/rhsa-2023-2633.md) | May 9, 2023 | RHEL 9 0:4.9-2.el9_2 | Routine | 1 | 0 |
| [ELSA-2023-2120](https://patchblox.com/security/data/fix/linux/elsa-2023-2120.md) | May 5, 2023 | ol 9 0:4.6-3.0.1.el9_1.1 | High | 1 | 0 |
| [ELSA-2023-2122](https://patchblox.com/security/data/fix/linux/elsa-2023-2122.md) | May 5, 2023 | ol 8 0:4.5-1.0.1.el8_7.1 | High | 1 | 0 |
| [RHSA-2023:2120](https://patchblox.com/security/data/fix/linux/rhsa-2023-2120.md) | May 4, 2023 | RHEL 9 0:4.6-3.el9_1.1 | High | 1 | 0 |
| [RHSA-2023:2122](https://patchblox.com/security/data/fix/linux/rhsa-2023-2122.md) | May 4, 2023 | RHEL 8 0:4.5-1.el8_7.1 | High | 1 | 0 |
| [DSA-5368-1](https://patchblox.com/security/data/fix/linux/dsa-5368-1.md) | Mar 3, 2023 | Debian 11.6 (bullseye) 4.3-1+deb11u3 | Routine | 1 | 0 |
| [DEBIAN-CVE-2023-23009](https://patchblox.com/security/data/fix/linux/debian-cve-2023-23009.md) | Feb 21, 2023 | Debian 12.15 (bookworm) 4.9-2 | Routine | 1 | 0 |
| [DEBIAN-CVE-2023-23009](https://patchblox.com/security/data/fix/linux/debian-cve-2023-23009.md) | Feb 21, 2023 | Debian 13.5 (trixie) 4.9-2 | Routine | 1 | 0 |
| [ELSA-2022-0199](https://patchblox.com/security/data/fix/linux/elsa-2022-0199.md) | Jan 20, 2022 | ol 8 0:4.4-4.0.1.el8_5 | High | 1 | 0 |
| [ALSA-2022:0199](https://patchblox.com/security/data/fix/linux/alsa-2022-0199.md) | Jan 19, 2022 | almalinux 8 4.4-4.el8_5 | High | 1 | 0 |
| [RLSA-2022:0199](https://patchblox.com/security/data/fix/linux/rlsa-2022-0199.md) | Jan 19, 2022 | rocky 8 0:4.4-4.el8_5 | High | 1 | 0 |
| [RHSA-2022:0199](https://patchblox.com/security/data/fix/linux/rhsa-2022-0199.md) | Jan 19, 2022 | RHEL 8 0:4.4-4.el8_5 | High | 1 | 0 |
| [DEBIAN-CVE-2022-23094](https://patchblox.com/security/data/fix/linux/debian-cve-2022-23094.md) | Jan 15, 2022 | Debian 12.15 (bookworm) 4.6-1 | High | 1 | 0 |
| [DEBIAN-CVE-2022-23094](https://patchblox.com/security/data/fix/linux/debian-cve-2022-23094.md) | Jan 15, 2022 | Debian 13.5 (trixie) 4.6-1 | High | 1 | 0 |
| [DSA-5048-1](https://patchblox.com/security/data/fix/linux/dsa-5048-1.md) | Jan 15, 2022 | Debian 11.6 (bullseye) 4.3-1+deb11u1 | High | 1 | 0 |
| [ELSA-2020-2070](https://patchblox.com/security/data/fix/linux/elsa-2020-2070.md) | May 12, 2020 | ol 8 0:3.29-7.0.1.el8_2 | High | 1 | 0 |
| [RHSA-2020:2070](https://patchblox.com/security/data/fix/linux/rhsa-2020-2070.md) | May 12, 2020 | RHEL 8 0:3.29-7.el8_2 | High | 1 | 0 |
| [ELSA-2019-3391](https://patchblox.com/security/data/fix/linux/elsa-2019-3391.md) | Nov 14, 2019 | ol 8 0:3.29-6.0.1.el8 | Routine | 1 | 0 |
| [RHSA-2019:3391](https://patchblox.com/security/data/fix/linux/rhsa-2019-3391.md) | Nov 5, 2019 | RHEL 8 0:3.29-6.el8 | Routine | 2 | 0 |

---

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

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