# systemd-container security updates

Patch Radar has 88 security fixes for systemd-container, closing 31 CVEs. The newest security fix is ALAS2023-2026-3117 (252.23-13.amzn2023), released September 28, 2026.

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

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [ALAS2023-2026-3117](https://patchblox.com/security/data/fix/linux/alas2023-2026-3117.md) | Sep 28, 2026 | amzn 2023 252.23-13.amzn2023 | Routine | 1 | 0 |
| [systemd-container 249.11-0ubuntu3.22](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-systemd-container-249.11-0ubuntu3.22.md) | Aug 11, 2026 | Ubuntu 22.04.1 LTS (jammy) 249.11-0ubuntu3.22 | Routine | 2 | 0 |
| [systemd-container 255.4-1ubuntu8.17](https://patchblox.com/security/data/fix/linux/ubuntu-noble-systemd-container-255.4-1ubuntu8.17.md) | Aug 11, 2026 | Ubuntu 24.04.5 LTS (noble) 255.4-1ubuntu8.17 | Routine | 2 | 0 |
| [systemd-container 259.5-0ubuntu3.4](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-systemd-container-259.5-0ubuntu3.4.md) | Aug 9, 2026 | Ubuntu 26.04.1 LTS (resolute) 259.5-0ubuntu3.4 | Routine | 3 | 0 |
| [ELSA-2026-18153](https://patchblox.com/security/data/fix/linux/elsa-2026-18153.md) | Jul 20, 2026 | ol 10 0:257-23.0.1.el10_2.2 | Routine | 1 | 0 |
| [ALSA-2026:19068](https://patchblox.com/security/data/fix/linux/alsa-2026-19068.md) | May 19, 2026 | almalinux 10 257-23.el10_2.1.alma.1 | High | 1 | 0 |
| [ALSA-2026:19213](https://patchblox.com/security/data/fix/linux/alsa-2026-19213.md) | May 19, 2026 | almalinux 9 252-67.el9_8.2.alma.1 | High | 1 | 0 |
| [RHSA-2026:19213](https://patchblox.com/security/data/fix/linux/rhsa-2026-19213.md) | May 15, 2026 | RHEL 9 0:252-67.el9_8.2 | High | 1 | 0 |
| [ELSA-2026-13651](https://patchblox.com/security/data/fix/linux/elsa-2026-13651.md) | May 5, 2026 | ol 10 0:257-13.0.1.el10_1.3 | High | 1 | 0 |
| [ELSA-2026-13677](https://patchblox.com/security/data/fix/linux/elsa-2026-13677.md) | May 5, 2026 | ol 9 0:252-55.0.3.el9_7.9 | High | 1 | 0 |
| [systemd-container 257.9-0ubuntu2.3](https://patchblox.com/security/data/fix/linux/ubuntu-questing-systemd-container-257.9-0ubuntu2.3.md) | Apr 15, 2026 | Ubuntu 25.10 (questing) 257.9-0ubuntu2.3 | High | 2 | 0 |
| [systemd-container 255.4-1ubuntu8.14](https://patchblox.com/security/data/fix/linux/ubuntu-noble-systemd-container-255.4-1ubuntu8.14.md) | Apr 15, 2026 | Ubuntu 24.04.5 LTS (noble) 255.4-1ubuntu8.14 | High | 2 | 0 |
| [systemd-container 249.11-0ubuntu3.19](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-systemd-container-249.11-0ubuntu3.19.md) | Apr 15, 2026 | Ubuntu 22.04.1 LTS (jammy) 249.11-0ubuntu3.19 | High | 2 | 0 |
| [systemd-container 245.4-4ubuntu3.24+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-systemd-container-245.4-4ubuntu3.24-esm3.md) | Apr 15, 2026 | Ubuntu 20.04 LTS (focal) 245.4-4ubuntu3.24+esm3 | High | 2 | 0 |
| [systemd-container 249.11-0ubuntu3.21](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-systemd-container-249.11-0ubuntu3.21.md) | Apr 10, 2026 | Ubuntu 22.04.1 LTS (jammy) 249.11-0ubuntu3.21 | Routine | 2 | 0 |
| [systemd-container 255.4-1ubuntu8.16](https://patchblox.com/security/data/fix/linux/ubuntu-noble-systemd-container-255.4-1ubuntu8.16.md) | Apr 10, 2026 | Ubuntu 24.04.5 LTS (noble) 255.4-1ubuntu8.16 | Routine | 1 | 0 |
| [systemd-container 257.9-0ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-questing-systemd-container-257.9-0ubuntu2.5.md) | Apr 10, 2026 | Ubuntu 25.10 (questing) 257.9-0ubuntu2.5 | Routine | 1 | 0 |
| [systemd-container 257.4-1ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-systemd-container-257.4-1ubuntu3.1.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 257.4-1ubuntu3.1 | Routine | 1 | 0 |
| [systemd-container 244.1-0ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-systemd-container-244.1-0ubuntu3.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 244.1-0ubuntu3 | High | 1 | 0 |
| [systemd-container 248.3-1ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-systemd-container-248.3-1ubuntu3.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 248.3-1ubuntu3 | Routine | 1 | 0 |
| [systemd-container 256.5-2ubuntu3.3](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-systemd-container-256.5-2ubuntu3.3.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 256.5-2ubuntu3.3 | Routine | 1 | 0 |
| [systemd-container 255.2-3ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-systemd-container-255.2-3ubuntu1.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 255.2-3ubuntu1 | Routine | 1 | 0 |
| [systemd-container 255.2-3ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-systemd-container-255.2-3ubuntu1.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 255.2-3ubuntu1 | Routine | 1 | 0 |
| [systemd-container 244.1-0ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-systemd-container-244.1-0ubuntu3.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 244.1-0ubuntu3 | High | 1 | 0 |
| [systemd-container 248.3-1ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-systemd-container-248.3-1ubuntu3.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 248.3-1ubuntu3 | Routine | 1 | 0 |
| [ALSA-2025:22660](https://patchblox.com/security/data/fix/linux/alsa-2025-22660.md) | Dec 3, 2025 | almalinux 9 252-55.el9_7.7.alma.1 | Routine | 1 | 0 |
| [RHSA-2025:22660](https://patchblox.com/security/data/fix/linux/rhsa-2025-22660.md) | Dec 3, 2025 | RHEL 9 0:252-55.el9_7.7 | Routine | 1 | 0 |
| [systemd-container 245.4-4ubuntu3.24+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-systemd-container-245.4-4ubuntu3.24-esm1.md) | May 30, 2025 | Ubuntu 20.04 LTS (focal) 245.4-4ubuntu3.24+esm1 | Routine | 1 | 0 |
| [systemd-container 249.11-0ubuntu3.16](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-systemd-container-249.11-0ubuntu3.16.md) | May 30, 2025 | Ubuntu 22.04.1 LTS (jammy) 249.11-0ubuntu3.16 | Routine | 1 | 0 |
| [systemd-container 255.4-1ubuntu8.8](https://patchblox.com/security/data/fix/linux/ubuntu-noble-systemd-container-255.4-1ubuntu8.8.md) | May 30, 2025 | Ubuntu 24.04.5 LTS (noble) 255.4-1ubuntu8.8 | Routine | 1 | 0 |
| [ELSA-2025-20343](https://patchblox.com/security/data/fix/linux/elsa-2025-20343.md) | May 29, 2025 | ol 8 0:239-82.0.4.el8_10.5 | Routine | 1 | 0 |
| [ELSA-2025-20344](https://patchblox.com/security/data/fix/linux/elsa-2025-20344.md) | May 29, 2025 | ol 9 0:252-51.0.2.el9 | Routine | 1 | 0 |
| [ELSA-2024-3203](https://patchblox.com/security/data/fix/linux/elsa-2024-3203.md) | May 23, 2024 | ol 8 0:239-82.0.1.el8 | Routine | 1 | 0 |
| [ALSA-2024:3203](https://patchblox.com/security/data/fix/linux/alsa-2024-3203.md) | May 22, 2024 | almalinux 8 239-82.el8 | Routine | 1 | 0 |
| [RHSA-2024:3203](https://patchblox.com/security/data/fix/linux/rhsa-2024-3203.md) | May 22, 2024 | RHEL 8 0:239-82.el8 | Routine | 1 | 0 |
| [ELSA-2024-2463](https://patchblox.com/security/data/fix/linux/elsa-2024-2463.md) | May 3, 2024 | ol 9 0:252-32.0.2.el9_4 | Routine | 1 | 0 |
| [ALSA-2024:2463](https://patchblox.com/security/data/fix/linux/alsa-2024-2463.md) | Apr 30, 2024 | almalinux 9 252-32.el9_4.alma.1 | Routine | 1 | 0 |
| [RHSA-2024:2463](https://patchblox.com/security/data/fix/linux/rhsa-2024-2463.md) | Apr 30, 2024 | RHEL 9 0:252-32.el9_4 | Routine | 1 | 0 |
| [ALAS2023-2024-509](https://patchblox.com/security/data/fix/linux/alas2023-2024-509.md) | Feb 1, 2024 | amzn 2023 252.16-1.amzn2023.0.2 | Routine | 1 | 0 |
| [ELSA-2023-3837](https://patchblox.com/security/data/fix/linux/elsa-2023-3837.md) | Jul 20, 2023 | ol 8 0:239-74.0.4.el8_8.2 | High | 1 | 0 |
| [ALSA-2023:3837](https://patchblox.com/security/data/fix/linux/alsa-2023-3837.md) | Jun 27, 2023 | almalinux 8 239-74.el8_8.2 | High | 1 | 0 |
| [RHSA-2023:3837](https://patchblox.com/security/data/fix/linux/rhsa-2023-3837.md) | Jun 27, 2023 | RHEL 8 0:239-74.el8_8.2 | High | 1 | 0 |
| [ELSA-2023-0954](https://patchblox.com/security/data/fix/linux/elsa-2023-0954.md) | Mar 1, 2023 | ol 9 0:250-12.0.2.el9_1.3 | Routine | 2 | 0 |
| [ALSA-2023:0954](https://patchblox.com/security/data/fix/linux/alsa-2023-0954.md) | Feb 28, 2023 | almalinux 9 250-12.el9_1.3 | Routine | 2 | 0 |
| [RHSA-2023:0954](https://patchblox.com/security/data/fix/linux/rhsa-2023-0954.md) | Feb 28, 2023 | RHEL 9 0:250-12.el9_1.3 | Routine | 2 | 0 |
| [ELSA-2023-0837](https://patchblox.com/security/data/fix/linux/elsa-2023-0837.md) | Feb 22, 2023 | ol 8 0:239-68.0.2.el8_7.4 | Routine | 1 | 0 |
| [ALSA-2023:0837](https://patchblox.com/security/data/fix/linux/alsa-2023-0837.md) | Feb 21, 2023 | almalinux 8 239-68.el8_7.4 | Routine | 1 | 0 |
| [RHSA-2023:0837](https://patchblox.com/security/data/fix/linux/rhsa-2023-0837.md) | Feb 21, 2023 | RHEL 8 0:239-68.el8_7.4 | Routine | 1 | 0 |
| [ALAS2023-2023-025](https://patchblox.com/security/data/fix/linux/alas2023-2023-025.md) | Feb 17, 2023 | amzn 2023 252.4-1161.amzn2023.0.1 | Routine | 3 | 0 |
| [ELSA-2023-0336](https://patchblox.com/security/data/fix/linux/elsa-2023-0336.md) | Jan 26, 2023 | ol 9 0:250-12.0.2.el9_1.1 | Routine | 1 | 0 |
| [ALSA-2023:0336](https://patchblox.com/security/data/fix/linux/alsa-2023-0336.md) | Jan 23, 2023 | almalinux 9 250-12.el9_1.1 | Routine | 1 | 0 |
| [RHSA-2023:0336](https://patchblox.com/security/data/fix/linux/rhsa-2023-0336.md) | Jan 23, 2023 | RHEL 9 0:250-12.el9_1.1 | Routine | 1 | 0 |
| [ELSA-2023-0100](https://patchblox.com/security/data/fix/linux/elsa-2023-0100.md) | Jan 14, 2023 | ol 8 0:239-68.0.2.el8_7.1 | Routine | 1 | 0 |
| [ALSA-2023:0100](https://patchblox.com/security/data/fix/linux/alsa-2023-0100.md) | Jan 12, 2023 | almalinux 8 239-68.el8_7.1 | Routine | 1 | 0 |
| [RHSA-2023:0100](https://patchblox.com/security/data/fix/linux/rhsa-2023-0100.md) | Jan 12, 2023 | RHEL 8 0:239-68.el8_7.1 | Routine | 1 | 0 |
| [systemd-container 245.4-4ubuntu3.20](https://patchblox.com/security/data/fix/linux/ubuntu-focal-systemd-container-245.4-4ubuntu3.20.md) | Jan 11, 2023 | Ubuntu 20.04 LTS (focal) 245.4-4ubuntu3.20 | Routine | 2 | 0 |
| [systemd-container 249.11-0ubuntu3.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-systemd-container-249.11-0ubuntu3.7.md) | Jan 11, 2023 | Ubuntu 22.04.1 LTS (jammy) 249.11-0ubuntu3.7 | Routine | 2 | 0 |
| [systemd-container 237-3ubuntu10.57](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-systemd-container-237-3ubuntu10.57.md) | Nov 8, 2022 | Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.57 | Routine | 1 | 0 |
| [ALSA-2022:6206](https://patchblox.com/security/data/fix/linux/alsa-2022-6206.md) | Aug 29, 2022 | almalinux 8 239-58.el8_6.4 | High | 1 | 0 |
| [ELSA-2022-6206](https://patchblox.com/security/data/fix/linux/elsa-2022-6206.md) | Aug 29, 2022 | ol 8 0:239-58.0.1.el8_6.4 | High | 1 | 0 |
| [RHSA-2022:6206](https://patchblox.com/security/data/fix/linux/rhsa-2022-6206.md) | Aug 29, 2022 | RHEL 8 0:239-58.el8_6.4 | High | 1 | 0 |
| [systemd-container 237-3ubuntu10.54](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-systemd-container-237-3ubuntu10.54.md) | Aug 23, 2022 | Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.54 | High | 1 | 0 |
| [systemd-container 245.4-4ubuntu3.15](https://patchblox.com/security/data/fix/linux/ubuntu-focal-systemd-container-245.4-4ubuntu3.15.md) | Jan 9, 2022 | Ubuntu 20.04 LTS (focal) 245.4-4ubuntu3.15 | Routine | 1 | 0 |
| [ELSA-2021-2717](https://patchblox.com/security/data/fix/linux/elsa-2021-2717.md) | Jul 21, 2021 | ol 8 0:239-45.0.2.el8_4.2 | Routine | 1 | 0 |
| [RHSA-2021:2717](https://patchblox.com/security/data/fix/linux/rhsa-2021-2717.md) | Jul 21, 2021 | RHEL 8 0:239-45.el8_4.2 | Routine | 1 | 0 |
| [systemd-container 237-3ubuntu10.49](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-systemd-container-237-3ubuntu10.49.md) | Jul 20, 2021 | Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.49 | Routine | 2 | 0 |
| [systemd-container 245.4-4ubuntu3.10](https://patchblox.com/security/data/fix/linux/ubuntu-focal-systemd-container-245.4-4ubuntu3.10.md) | Jul 20, 2021 | Ubuntu 20.04 LTS (focal) 245.4-4ubuntu3.10 | Routine | 2 | 0 |
| [ELSA-2021-1611](https://patchblox.com/security/data/fix/linux/elsa-2021-1611.md) | May 25, 2021 | ol 8 0:239-45.0.1.el8 | High | 2 | 0 |
| [RHSA-2021:1611](https://patchblox.com/security/data/fix/linux/rhsa-2021-1611.md) | May 18, 2021 | RHEL 8 0:239-45.el8 | High | 2 | 0 |
| [ELSA-2020-4553](https://patchblox.com/security/data/fix/linux/elsa-2020-4553.md) | Nov 10, 2020 | ol 8 0:239-40.0.1.el8 | Routine | 1 | 0 |
| [RHSA-2020:4553](https://patchblox.com/security/data/fix/linux/rhsa-2020-4553.md) | Nov 4, 2020 | RHEL 8 0:239-40.el8 | Routine | 1 | 0 |
| [ELSA-2020-1794](https://patchblox.com/security/data/fix/linux/elsa-2020-1794.md) | May 5, 2020 | ol 8 0:239-29.0.1.el8 | High | 2 | 0 |
| [RHSA-2020:1794](https://patchblox.com/security/data/fix/linux/rhsa-2020-1794.md) | Apr 28, 2020 | RHEL 8 0:239-29.el8 | High | 2 | 0 |
| [ELSA-2020-0575](https://patchblox.com/security/data/fix/linux/elsa-2020-0575.md) | Feb 25, 2020 | ol 8 0:239-18.0.2.el8_1.4 | High | 1 | 0 |
| [RHSA-2020:0575](https://patchblox.com/security/data/fix/linux/rhsa-2020-0575.md) | Feb 24, 2020 | RHEL 8 0:239-18.el8_1.4 | High | 1 | 0 |
| [systemd-container 237-3ubuntu10.38](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-systemd-container-237-3ubuntu10.38.md) | Feb 5, 2020 | Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.38 | High | 4 | 0 |
| [systemd-container 244.1-0ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-systemd-container-244.1-0ubuntu3.md) | Feb 5, 2020 | Ubuntu 20.04 LTS (focal) 244.1-0ubuntu3 | High | 1 | 0 |
| [ELSA-2019-3592](https://patchblox.com/security/data/fix/linux/elsa-2019-3592.md) | Nov 14, 2019 | ol 8 0:239-18.0.1.el8 | Routine | 1 | 0 |
| [RHSA-2019:3592](https://patchblox.com/security/data/fix/linux/rhsa-2019-3592.md) | Nov 5, 2019 | RHEL 8 0:239-18.el8 | Routine | 1 | 0 |
| [systemd-container 237-3ubuntu10.28](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-systemd-container-237-3ubuntu10.28.md) | Sep 2, 2019 | Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.28 | Routine | 1 | 0 |
| [ELSA-2019-0990](https://patchblox.com/security/data/fix/linux/elsa-2019-0990.md) | Jul 30, 2019 | ol 8 0:239-13.0.1.el8_0.3 | High | 1 | 0 |
| [RHSA-2019:0990](https://patchblox.com/security/data/fix/linux/rhsa-2019-0990.md) | May 7, 2019 | RHEL 8 0:239-13.el8_0.3 | High | 1 | 0 |
| [systemd-container 237-3ubuntu10.19](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-systemd-container-237-3ubuntu10.19.md) | Apr 7, 2019 | Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.19 | High | 1 | 0 |
| [systemd-container 237-3ubuntu10.13](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-systemd-container-237-3ubuntu10.13.md) | Feb 18, 2019 | Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.13 | High | 1 | 0 |
| [systemd-container 237-3ubuntu10.11](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-systemd-container-237-3ubuntu10.11.md) | Jan 10, 2019 | Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.11 | High | 3 | 0 |
| [systemd-container 237-3ubuntu10.6](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-systemd-container-237-3ubuntu10.6.md) | Oct 25, 2018 | Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.6 | Routine | 2 | 0 |
| [systemd-container 237-3ubuntu10.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-systemd-container-237-3ubuntu10.4.md) | Oct 25, 2018 | Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.4 | Routine | 1 | 0 |
| [systemd-container 237-3ubuntu10.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-systemd-container-237-3ubuntu10.9.md) | Feb 12, 2018 | Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.9 | Routine | 1 | 0 |

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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

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.
