# isc-dhcp-server security updates

Patch Radar has 7 security fixes for isc-dhcp-server, closing 7 CVEs. The newest is isc-dhcp-server 4.3.5-3ubuntu7.4 (4.3.5-3ubuntu7.4), released October 4, 2022.

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

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [isc-dhcp-server 4.3.5-3ubuntu7.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-isc-dhcp-server-4.3.5-3ubuntu7.4.md) | Oct 4, 2022 | Ubuntu 18.04.6 LTS (bionic) 4.3.5-3ubuntu7.4 | Routine | 2 | 0 |
| [isc-dhcp-server 4.4.1-2.1ubuntu5.20.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-isc-dhcp-server-4.4.1-2.1ubuntu5.20.04.4.md) | Oct 4, 2022 | Ubuntu 20.04 LTS (focal) 4.4.1-2.1ubuntu5.20.04.4 | Routine | 2 | 0 |
| [isc-dhcp-server 4.4.1-2.3ubuntu2.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-isc-dhcp-server-4.4.1-2.3ubuntu2.3.md) | Oct 4, 2022 | Ubuntu 22.04.1 LTS (jammy) 4.4.1-2.3ubuntu2.3 | Routine | 2 | 0 |
| [isc-dhcp-server 4.3.5-3ubuntu7.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-isc-dhcp-server-4.3.5-3ubuntu7.3.md) | May 25, 2021 | Ubuntu 18.04.6 LTS (bionic) 4.3.5-3ubuntu7.3 | High | 1 | 0 |
| [isc-dhcp-server 4.4.1-2.1ubuntu5.20.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-isc-dhcp-server-4.4.1-2.1ubuntu5.20.04.2.md) | May 25, 2021 | Ubuntu 20.04 LTS (focal) 4.4.1-2.1ubuntu5.20.04.2 | High | 1 | 0 |
| [isc-dhcp-server 4.3.5-3ubuntu7.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-isc-dhcp-server-4.3.5-3ubuntu7.1.md) | May 2, 2019 | Ubuntu 18.04.6 LTS (bionic) 4.3.5-3ubuntu7.1 | High | 1 | 0 |
| [isc-dhcp-server 4.3.5-3ubuntu5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-isc-dhcp-server-4.3.5-3ubuntu5.md) | Feb 28, 2018 | Ubuntu 18.04.6 LTS (bionic) 4.3.5-3ubuntu5 | Routine | 3 | 0 |

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Data as of 2026-11-07T06:34:28Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo