# samba-ad-dc security updates

Patch Radar has 13 security fixes for samba-ad-dc, closing 41 CVEs. The newest is samba-ad-dc 2:4.19.5+dfsg-4ubuntu9.7 (2:4.19.5+dfsg-4ubuntu9.7), released July 31, 2026.

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

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [samba-ad-dc 2:4.19.5+dfsg-4ubuntu9.7](https://patchblox.com/security/data/fix/linux/ubuntu-noble-samba-ad-dc-2-4.19.5-dfsg-4ubuntu9.7.md) | Jul 31, 2026 | Ubuntu 24.04.5 LTS (noble) 2:4.19.5+dfsg-4ubuntu9.7 | High | 7 | 0 |
| [samba-ad-dc 2:4.23.6+dfsg-1ubuntu2.2](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-samba-ad-dc-2-4.23.6-dfsg-1ubuntu2.2.md) | Jul 28, 2026 | Ubuntu 26.04.1 LTS (resolute) 2:4.23.6+dfsg-1ubuntu2.2 | High | 7 | 0 |
| [samba-ad-dc 2:4.22.3+dfsg-4ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-questing-samba-ad-dc-2-4.22.3-dfsg-4ubuntu2.4.md) | May 27, 2026 | Ubuntu 25.10 (questing) 2:4.22.3+dfsg-4ubuntu2.4 | Urgent | 6 | 0 |
| [samba-ad-dc 2:4.19.5+dfsg-4ubuntu9.6](https://patchblox.com/security/data/fix/linux/ubuntu-noble-samba-ad-dc-2-4.19.5-dfsg-4ubuntu9.6.md) | May 27, 2026 | Ubuntu 24.04.5 LTS (noble) 2:4.19.5+dfsg-4ubuntu9.6 | Urgent | 5 | 0 |
| [samba-ad-dc 2:4.23.6+dfsg-1ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-samba-ad-dc-2-4.23.6-dfsg-1ubuntu2.1.md) | May 25, 2026 | Ubuntu 26.04.1 LTS (resolute) 2:4.23.6+dfsg-1ubuntu2.1 | Urgent | 6 | 0 |
| [samba-ad-dc 2:4.21.4+dfsg-1ubuntu3.5](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-samba-ad-dc-2-4.21.4-dfsg-1ubuntu3.5.md) | Oct 15, 2025 | Ubuntu 25.04 (plucky) 2:4.21.4+dfsg-1ubuntu3.5 | High | 2 | 0 |
| [samba-ad-dc 2:4.19.5+dfsg-4ubuntu9.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-samba-ad-dc-2-4.19.5-dfsg-4ubuntu9.4.md) | Oct 14, 2025 | Ubuntu 24.04.5 LTS (noble) 2:4.19.5+dfsg-4ubuntu9.4 | High | 2 | 0 |
| [samba-ad-dc 2:4.22.3+dfsg-4ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-samba-ad-dc-2-4.22.3-dfsg-4ubuntu2.1.md) | Oct 14, 2025 | Ubuntu 25.10 (questing) 2:4.22.3+dfsg-4ubuntu2.1 | High | 2 | 0 |
| [samba-ad-dc 2:4.21.4+dfsg-1ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-samba-ad-dc-2-4.21.4-dfsg-1ubuntu3.1.md) | Jun 3, 2025 | Ubuntu 25.04 (plucky) 2:4.21.4+dfsg-1ubuntu3.1 | Routine | 1 | 0 |
| [samba-ad-dc 2:4.19.5+dfsg-4ubuntu9](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-samba-ad-dc-2-4.19.5-dfsg-4ubuntu9.md) | Oct 10, 2023 | Ubuntu 24.10 (oracular) 2:4.19.5+dfsg-4ubuntu9 | Urgent | 25 | 0 |
| [samba-ad-dc 2:4.20.4+dfsg-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-samba-ad-dc-2-4.20.4-dfsg-1ubuntu1.md) | Oct 10, 2023 | Ubuntu 25.04 (plucky) 2:4.20.4+dfsg-1ubuntu1 | Urgent | 25 | 0 |
| [samba-ad-dc 2:4.18.6+dfsg-1ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-samba-ad-dc-2-4.18.6-dfsg-1ubuntu2.1.md) | Oct 9, 2023 | Ubuntu 24.04.5 LTS (noble) 2:4.18.6+dfsg-1ubuntu2.1 | Routine | 3 | 0 |
| [samba-ad-dc 2:4.19.4+dfsg-3ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-samba-ad-dc-2-4.19.4-dfsg-3ubuntu1.md) | Jan 17, 2023 | Ubuntu 24.04.5 LTS (noble) 2:4.19.4+dfsg-3ubuntu1 | 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