# krb5-libs security updates

Patch Radar has 63 security fixes for krb5-libs, closing 18 CVEs. The newest security fix is ALAS2023-2026-1939 (1.21.3-8.amzn2023.0.1), released July 20, 2026.

- Web page: https://patchblox.com/security/product/linux/krb5-libs
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [ALAS2023-2026-1939](https://patchblox.com/security/data/fix/linux/alas2023-2026-1939.md) | Jul 20, 2026 | amzn 2023 1.21.3-8.amzn2023.0.1 | Routine | 1 | 0 |
| [ELSA-2026-19145](https://patchblox.com/security/data/fix/linux/elsa-2026-19145.md) | Jul 16, 2026 | ol 10 0:1.21.3-10.0.1.el10_2 | High | 2 | 0 |
| [ELSA-2026-19357](https://patchblox.com/security/data/fix/linux/elsa-2026-19357.md) | Jun 23, 2026 | ol 9 0:1.21.1-10.0.1.el9_8 | High | 2 | 0 |
| [RHSA-2026:19357](https://patchblox.com/security/data/fix/linux/rhsa-2026-19357.md) | May 27, 2026 | RHEL 9 0:1.21.1-10.el9_8 | High | 2 | 0 |
| [ALSA-2026:19145](https://patchblox.com/security/data/fix/linux/alsa-2026-19145.md) | May 19, 2026 | almalinux 10 1.21.3-10.el10_2 | High | 2 | 0 |
| [ALSA-2026:19357](https://patchblox.com/security/data/fix/linux/alsa-2026-19357.md) | May 19, 2026 | almalinux 9 1.21.1-10.el9_8 | High | 2 | 0 |
| [RHSA-2026:16799](https://patchblox.com/security/data/fix/linux/rhsa-2026-16799.md) | May 15, 2026 | RHEL 8 0:1.18.2-34.el8_10 | High | 2 | 0 |
| [ALSA-2026:16799](https://patchblox.com/security/data/fix/linux/alsa-2026-16799.md) | May 13, 2026 | almalinux 8 1.18.2-34.el8_10 | High | 2 | 0 |
| [ELSA-2026-16799](https://patchblox.com/security/data/fix/linux/elsa-2026-16799.md) | May 13, 2026 | ol 8 0:1.18.2-34.0.1.el8_10 | High | 2 | 0 |
| [ALAS2023-2026-1680](https://patchblox.com/security/data/fix/linux/alas2023-2026-1680.md) | May 11, 2026 | amzn 2023 1.21.3-7.amzn2023.0.1 | High | 2 | 0 |
| [FEDORA-2026-684396998A](https://patchblox.com/security/data/fix/linux/fedora-2026-684396998a.md) | Apr 29, 2026 | Fedora 43 1.22.2-4.fc43 | High | 2 | 0 |
| [ALAS2023-2025-1173](https://patchblox.com/security/data/fix/linux/alas2023-2025-1173.md) | Aug 27, 2025 | amzn 2023 1.21.3-6.amzn2023.0.1 | High | 2 | 0 |
| [ELSA-2025-9418](https://patchblox.com/security/data/fix/linux/elsa-2025-9418.md) | Jun 27, 2025 | ol 10 0:1.21.3-8.0.1.el10_0 | Routine | 1 | 0 |
| [ALSA-2025:9418](https://patchblox.com/security/data/fix/linux/alsa-2025-9418.md) | Jun 24, 2025 | almalinux 10 1.21.3-8.el10_0 | Routine | 1 | 0 |
| [ALSA-2025:9430](https://patchblox.com/security/data/fix/linux/alsa-2025-9430.md) | Jun 24, 2025 | almalinux 9 1.21.1-8.el9_6 | Routine | 1 | 0 |
| [ELSA-2025-9430](https://patchblox.com/security/data/fix/linux/elsa-2025-9430.md) | Jun 24, 2025 | ol 9 0:1.21.1-8.0.1.el9_6 | Routine | 1 | 0 |
| [RHSA-2025:9430](https://patchblox.com/security/data/fix/linux/rhsa-2025-9430.md) | Jun 24, 2025 | RHEL 9 0:1.21.1-8.el9_6 | Routine | 1 | 0 |
| [ALSA-2025:8411](https://patchblox.com/security/data/fix/linux/alsa-2025-8411.md) | Jun 3, 2025 | almalinux 8 1.18.2-32.el8_10 | Routine | 1 | 0 |
| [ELSA-2025-8411](https://patchblox.com/security/data/fix/linux/elsa-2025-8411.md) | Jun 3, 2025 | ol 8 0:1.18.2-32.0.1.el8_10 | Routine | 1 | 0 |
| [RHSA-2025:8411](https://patchblox.com/security/data/fix/linux/rhsa-2025-8411.md) | Jun 3, 2025 | RHEL 8 0:1.18.2-32.el8_10 | Routine | 1 | 0 |
| [ELSA-2025-7067](https://patchblox.com/security/data/fix/linux/elsa-2025-7067.md) | May 16, 2025 | ol 9 0:1.21.1-6.0.1.el9 | High | 1 | 0 |
| [ALSA-2025:7067](https://patchblox.com/security/data/fix/linux/alsa-2025-7067.md) | May 13, 2025 | almalinux 9 1.21.1-6.el9 | High | 1 | 0 |
| [RHSA-2025:7067](https://patchblox.com/security/data/fix/linux/rhsa-2025-7067.md) | May 13, 2025 | RHEL 9 0:1.21.1-6.el9 | High | 1 | 0 |
| [ALSA-2025:2722](https://patchblox.com/security/data/fix/linux/alsa-2025-2722.md) | Mar 13, 2025 | almalinux 8 1.18.2-31.el8_10 | High | 1 | 0 |
| [ELSA-2025-2722](https://patchblox.com/security/data/fix/linux/elsa-2025-2722.md) | Mar 13, 2025 | ol 8 0:1.18.2-31.0.1.el8_10 | High | 1 | 0 |
| [RHSA-2025:2722](https://patchblox.com/security/data/fix/linux/rhsa-2025-2722.md) | Mar 13, 2025 | RHEL 8 0:1.18.2-31.el8_10 | High | 1 | 0 |
| [ELSA-2024-9474](https://patchblox.com/security/data/fix/linux/elsa-2024-9474.md) | Nov 20, 2024 | ol 9 0:1.21.1-4.0.1.el9_5 | High | 1 | 0 |
| [ELSA-2024-9331](https://patchblox.com/security/data/fix/linux/elsa-2024-9331.md) | Nov 14, 2024 | ol 9 0:1.21.1-3.0.1.el9 | High | 3 | 0 |
| [ALSA-2024:9474](https://patchblox.com/security/data/fix/linux/alsa-2024-9474.md) | Nov 12, 2024 | almalinux 9 1.21.1-4.el9_5 | High | 1 | 0 |
| [RHSA-2024:9474](https://patchblox.com/security/data/fix/linux/rhsa-2024-9474.md) | Nov 12, 2024 | RHEL 9 0:1.21.1-4.el9_5 | High | 1 | 0 |
| [ALSA-2024:9331](https://patchblox.com/security/data/fix/linux/alsa-2024-9331.md) | Nov 12, 2024 | almalinux 9 1.21.1-3.el9 | High | 3 | 0 |
| [RHSA-2024:9331](https://patchblox.com/security/data/fix/linux/rhsa-2024-9331.md) | Nov 12, 2024 | RHEL 9 0:1.21.1-3.el9 | High | 3 | 0 |
| [ALSA-2024:8860](https://patchblox.com/security/data/fix/linux/alsa-2024-8860.md) | Nov 5, 2024 | almalinux 8 1.18.2-30.el8_10 | High | 1 | 0 |
| [ELSA-2024-8860](https://patchblox.com/security/data/fix/linux/elsa-2024-8860.md) | Nov 5, 2024 | ol 8 0:1.18.2-30.0.1.el8_10 | High | 1 | 0 |
| [RHSA-2024:8860](https://patchblox.com/security/data/fix/linux/rhsa-2024-8860.md) | Nov 5, 2024 | RHEL 8 0:1.18.2-30.el8_10 | High | 1 | 0 |
| [ALSA-2024:6166](https://patchblox.com/security/data/fix/linux/alsa-2024-6166.md) | Sep 3, 2024 | almalinux 9 1.21.1-2.el9_4 | High | 2 | 0 |
| [ELSA-2024-6166](https://patchblox.com/security/data/fix/linux/elsa-2024-6166.md) | Sep 3, 2024 | ol 9 0:1.21.1-2.0.1.el9_4 | High | 2 | 0 |
| [RHSA-2024:6166](https://patchblox.com/security/data/fix/linux/rhsa-2024-6166.md) | Sep 3, 2024 | RHEL 9 0:1.21.1-2.el9_4 | High | 2 | 0 |
| [ALSA-2024:5312](https://patchblox.com/security/data/fix/linux/alsa-2024-5312.md) | Aug 13, 2024 | almalinux 8 1.18.2-29.el8_10 | High | 2 | 0 |
| [ELSA-2024-5312](https://patchblox.com/security/data/fix/linux/elsa-2024-5312.md) | Aug 13, 2024 | ol 8 0:1.18.2-29.0.1.el8_10 | High | 2 | 0 |
| [RHSA-2024:5312](https://patchblox.com/security/data/fix/linux/rhsa-2024-5312.md) | Aug 13, 2024 | RHEL 8 0:1.18.2-29.el8_10 | High | 2 | 0 |
| [ALAS2023-2024-688](https://patchblox.com/security/data/fix/linux/alas2023-2024-688.md) | Aug 1, 2024 | amzn 2023 1.21.3-1.amzn2023.0.1 | High | 2 | 0 |
| [ELSA-2024-3268](https://patchblox.com/security/data/fix/linux/elsa-2024-3268.md) | May 29, 2024 | ol 8 0:1.18.2-27.0.1.el8_10 | High | 2 | 0 |
| [ALSA-2024:3268](https://patchblox.com/security/data/fix/linux/alsa-2024-3268.md) | May 22, 2024 | almalinux 8 1.18.2-27.el8_10 | High | 2 | 0 |
| [RHSA-2024:3268](https://patchblox.com/security/data/fix/linux/rhsa-2024-3268.md) | May 22, 2024 | RHEL 8 0:1.18.2-27.el8_10 | High | 2 | 0 |
| [ALAS2023-2024-586](https://patchblox.com/security/data/fix/linux/alas2023-2024-586.md) | Apr 10, 2024 | amzn 2023 1.21-3.amzn2023.0.4 | High | 3 | 0 |
| [ELSA-2023-6699](https://patchblox.com/security/data/fix/linux/elsa-2023-6699.md) | Nov 11, 2023 | ol 9 0:1.21.1-1.0.1.el9 | High | 2 | 0 |
| [ALSA-2023:6699](https://patchblox.com/security/data/fix/linux/alsa-2023-6699.md) | Nov 7, 2023 | almalinux 9 1.21.1-1.el9 | High | 2 | 0 |
| [RHSA-2023:6699](https://patchblox.com/security/data/fix/linux/rhsa-2023-6699.md) | Nov 7, 2023 | RHEL 9 0:1.21.1-1.el9 | High | 2 | 0 |
| [ALAS2023-2023-321](https://patchblox.com/security/data/fix/linux/alas2023-2023-321.md) | Aug 31, 2023 | amzn 2023 1.21-3.amzn2023.0.3 | High | 2 | 0 |
| [ELSA-2023-2570](https://patchblox.com/security/data/fix/linux/elsa-2023-2570.md) | May 15, 2023 | ol 9 0:1.20.1-8.0.1.el9 | High | 1 | 0 |
| [ALSA-2023:2570](https://patchblox.com/security/data/fix/linux/alsa-2023-2570.md) | May 9, 2023 | almalinux 9 1.20.1-8.el9 | High | 1 | 0 |
| [RHSA-2023:2570](https://patchblox.com/security/data/fix/linux/rhsa-2023-2570.md) | May 9, 2023 | RHEL 9 0:1.20.1-8.el9 | High | 1 | 0 |
| [ELSA-2022-8637](https://patchblox.com/security/data/fix/linux/elsa-2022-8637.md) | Nov 29, 2022 | ol 9 0:1.19.1-24.0.1.el9_1 | High | 1 | 0 |
| [ALSA-2022:8637](https://patchblox.com/security/data/fix/linux/alsa-2022-8637.md) | Nov 28, 2022 | almalinux 9 1.19.1-24.el9_1 | High | 1 | 0 |
| [ALSA-2022:8638](https://patchblox.com/security/data/fix/linux/alsa-2022-8638.md) | Nov 28, 2022 | almalinux 8 1.18.2-22.el8_7 | High | 1 | 0 |
| [ELSA-2022-8638](https://patchblox.com/security/data/fix/linux/elsa-2022-8638.md) | Nov 28, 2022 | ol 8 0:1.18.2-22.0.1.el8_7 | High | 1 | 0 |
| [RHSA-2022:8637](https://patchblox.com/security/data/fix/linux/rhsa-2022-8637.md) | Nov 28, 2022 | RHEL 9 0:1.19.1-24.el9_1 | High | 1 | 0 |
| [RHSA-2022:8638](https://patchblox.com/security/data/fix/linux/rhsa-2022-8638.md) | Nov 28, 2022 | RHEL 8 0:1.18.2-22.el8_7 | High | 1 | 0 |
| [ELSA-2021-3576](https://patchblox.com/security/data/fix/linux/elsa-2021-3576.md) | Sep 23, 2021 | ol 8 0:1.18.2-8.3.el8_4 | High | 2 | 0 |
| [RHSA-2021:3576](https://patchblox.com/security/data/fix/linux/rhsa-2021-3576.md) | Sep 21, 2021 | RHEL 8 0:1.18.2-8.3.el8_4 | High | 2 | 0 |
| [ELSA-2021-1593](https://patchblox.com/security/data/fix/linux/elsa-2021-1593.md) | May 25, 2021 | ol 8 0:1.18.2-8.el8 | High | 1 | 0 |
| [RHSA-2021:1593](https://patchblox.com/security/data/fix/linux/rhsa-2021-1593.md) | May 18, 2021 | RHEL 8 0:1.18.2-8.el8 | High | 1 | 0 |

---

Data as of 2026-11-07T18:46:35Z 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.