# systemd-resolved security updates Patch Radar has 36 security fixes for systemd-resolved, closing 14 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-resolved - 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-resolved 255.4-1ubuntu8.17](https://patchblox.com/security/data/fix/linux/ubuntu-noble-systemd-resolved-255.4-1ubuntu8.17.md) | Aug 11, 2026 | Ubuntu 24.04.5 LTS (noble) 255.4-1ubuntu8.17 | Routine | 2 | 0 | | [systemd-resolved 259.5-0ubuntu3.4](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-systemd-resolved-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-resolved 257.9-0ubuntu2.3](https://patchblox.com/security/data/fix/linux/ubuntu-questing-systemd-resolved-257.9-0ubuntu2.3.md) | Apr 15, 2026 | Ubuntu 25.10 (questing) 257.9-0ubuntu2.3 | High | 2 | 0 | | [systemd-resolved 255.4-1ubuntu8.14](https://patchblox.com/security/data/fix/linux/ubuntu-noble-systemd-resolved-255.4-1ubuntu8.14.md) | Apr 15, 2026 | Ubuntu 24.04.5 LTS (noble) 255.4-1ubuntu8.14 | High | 2 | 0 | | [systemd-resolved 255.4-1ubuntu8.16](https://patchblox.com/security/data/fix/linux/ubuntu-noble-systemd-resolved-255.4-1ubuntu8.16.md) | Apr 10, 2026 | Ubuntu 24.04.5 LTS (noble) 255.4-1ubuntu8.16 | Routine | 1 | 0 | | [systemd-resolved 257.9-0ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-questing-systemd-resolved-257.9-0ubuntu2.5.md) | Apr 10, 2026 | Ubuntu 25.10 (questing) 257.9-0ubuntu2.5 | Routine | 1 | 0 | | [systemd-resolved 257.4-1ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-systemd-resolved-257.4-1ubuntu3.1.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 257.4-1ubuntu3.1 | Routine | 1 | 0 | | [systemd-resolved 244.1-0ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-systemd-resolved-244.1-0ubuntu3.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 244.1-0ubuntu3 | High | 1 | 0 | | [systemd-resolved 248.3-1ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-systemd-resolved-248.3-1ubuntu3.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 248.3-1ubuntu3 | Routine | 1 | 0 | | [systemd-resolved 256.5-2ubuntu3.3](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-systemd-resolved-256.5-2ubuntu3.3.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 256.5-2ubuntu3.3 | Routine | 1 | 0 | | [systemd-resolved 255.2-3ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-systemd-resolved-255.2-3ubuntu1.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 255.2-3ubuntu1 | Routine | 1 | 0 | | [systemd-resolved 255.2-3ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-systemd-resolved-255.2-3ubuntu1.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 255.2-3ubuntu1 | Routine | 1 | 0 | | [systemd-resolved 244.1-0ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-systemd-resolved-244.1-0ubuntu3.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 244.1-0ubuntu3 | High | 1 | 0 | | [systemd-resolved 248.3-1ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-systemd-resolved-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-resolved 255.4-1ubuntu8.8](https://patchblox.com/security/data/fix/linux/ubuntu-noble-systemd-resolved-255.4-1ubuntu8.8.md) | May 30, 2025 | Ubuntu 24.04.5 LTS (noble) 255.4-1ubuntu8.8 | 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-2024-2463](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-2023-0954](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 | | [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 | --- Data as of 2026-11-07T12:40:37Z UTC. 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