# pdns-recursor security updates

Patch Radar has 91 security fixes for pdns-recursor, closing 48 CVEs. The newest security fix is DEBIAN-CVE-2026-73205 (5.4.8-1), released October 24, 2026.

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

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [DEBIAN-CVE-2026-73205](https://patchblox.com/security/data/fix/linux/debian-cve-2026-73205.md) | Oct 24, 2026 | Debian 14 5.4.8-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-73206](https://patchblox.com/security/data/fix/linux/debian-cve-2026-73206.md) | Oct 24, 2026 | Debian 14 5.4.8-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-85555](https://patchblox.com/security/data/fix/linux/debian-cve-2026-85555.md) | Oct 24, 2026 | Debian 14 5.4.8-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-85556](https://patchblox.com/security/data/fix/linux/debian-cve-2026-85556.md) | Oct 24, 2026 | Debian 14 5.4.8-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-85557](https://patchblox.com/security/data/fix/linux/debian-cve-2026-85557.md) | Oct 24, 2026 | Debian 14 5.4.8-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-85558](https://patchblox.com/security/data/fix/linux/debian-cve-2026-85558.md) | Oct 24, 2026 | Debian 14 5.4.8-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-85559](https://patchblox.com/security/data/fix/linux/debian-cve-2026-85559.md) | Oct 24, 2026 | Debian 14 5.4.8-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-52682](https://patchblox.com/security/data/fix/linux/debian-cve-2026-52682.md) | Aug 9, 2026 | Debian 13.5 (trixie) 5.2.13-0+deb13u1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-52682](https://patchblox.com/security/data/fix/linux/debian-cve-2026-52682.md) | Aug 9, 2026 | Debian 14 5.4.5-1 | Routine | 1 | 0 |
| [FEDORA-2026-AC51ED6E75](https://patchblox.com/security/data/fix/linux/fedora-2026-ac51ed6e75.md) | Aug 8, 2026 | Fedora 43 5.2.13-1.fc43 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-52688](https://patchblox.com/security/data/fix/linux/debian-cve-2026-52688.md) | Jul 23, 2026 | Debian 13.5 (trixie) 5.2.12-0+deb13u1 | High | 1 | 0 |
| [DEBIAN-CVE-2026-52688](https://patchblox.com/security/data/fix/linux/debian-cve-2026-52688.md) | Jul 23, 2026 | Debian 14 5.4.4-1 | High | 1 | 0 |
| [DEBIAN-CVE-2026-52686](https://patchblox.com/security/data/fix/linux/debian-cve-2026-52686.md) | Jul 23, 2026 | Debian 13.5 (trixie) 5.2.12-0+deb13u1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-52686](https://patchblox.com/security/data/fix/linux/debian-cve-2026-52686.md) | Jul 23, 2026 | Debian 14 5.4.4-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-42389](https://patchblox.com/security/data/fix/linux/debian-cve-2026-42389.md) | Jul 1, 2026 | Debian 14 5.4.3-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-33612](https://patchblox.com/security/data/fix/linux/debian-cve-2026-33612.md) | Jun 26, 2026 | Debian 13.5 (trixie) 5.2.11-0+deb13u1 | High | 1 | 0 |
| [DEBIAN-CVE-2026-33612](https://patchblox.com/security/data/fix/linux/debian-cve-2026-33612.md) | Jun 26, 2026 | Debian 14 5.4.3-1 | High | 1 | 0 |
| [DEBIAN-CVE-2026-42387](https://patchblox.com/security/data/fix/linux/debian-cve-2026-42387.md) | Jun 26, 2026 | Debian 13.5 (trixie) 5.2.11-0+deb13u1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-42387](https://patchblox.com/security/data/fix/linux/debian-cve-2026-42387.md) | Jun 26, 2026 | Debian 14 5.4.3-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-42388](https://patchblox.com/security/data/fix/linux/debian-cve-2026-42388.md) | Jun 26, 2026 | Debian 13.5 (trixie) 5.2.11-0+deb13u1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-42388](https://patchblox.com/security/data/fix/linux/debian-cve-2026-42388.md) | Jun 26, 2026 | Debian 14 5.4.3-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-40012](https://patchblox.com/security/data/fix/linux/debian-cve-2026-40012.md) | Jun 26, 2026 | Debian 13.5 (trixie) 5.2.11-0+deb13u1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-40012](https://patchblox.com/security/data/fix/linux/debian-cve-2026-40012.md) | Jun 26, 2026 | Debian 14 5.4.3-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-52690](https://patchblox.com/security/data/fix/linux/debian-cve-2026-52690.md) | Jun 26, 2026 | Debian 13.5 (trixie) 5.2.11-0+deb13u1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-52690](https://patchblox.com/security/data/fix/linux/debian-cve-2026-52690.md) | Jun 26, 2026 | Debian 14 5.4.3-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-42390](https://patchblox.com/security/data/fix/linux/debian-cve-2026-42390.md) | Jun 26, 2026 | Debian 13.5 (trixie) 5.2.11-0+deb13u1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-42390](https://patchblox.com/security/data/fix/linux/debian-cve-2026-42390.md) | Jun 26, 2026 | Debian 14 5.4.3-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-42005](https://patchblox.com/security/data/fix/linux/debian-cve-2026-42005.md) | Jun 25, 2026 | Debian 13.5 (trixie) 5.2.11-0+deb13u1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-42005](https://patchblox.com/security/data/fix/linux/debian-cve-2026-42005.md) | Jun 25, 2026 | Debian 14 5.4.3-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-33256](https://patchblox.com/security/data/fix/linux/debian-cve-2026-33256.md) | May 15, 2026 | Debian 14 5.4.1-1 | High | 1 | 0 |
| [DEBIAN-CVE-2026-33256](https://patchblox.com/security/data/fix/linux/debian-cve-2026-33256.md) | May 15, 2026 | Debian 13.5 (trixie) 5.2.9-0+deb13u1 | High | 1 | 0 |
| [DEBIAN-CVE-2026-33258](https://patchblox.com/security/data/fix/linux/debian-cve-2026-33258.md) | May 15, 2026 | Debian 13.5 (trixie) 5.2.9-0+deb13u1 | High | 1 | 0 |
| [DEBIAN-CVE-2026-33258](https://patchblox.com/security/data/fix/linux/debian-cve-2026-33258.md) | May 15, 2026 | Debian 14 5.4.1-1 | High | 1 | 0 |
| [DEBIAN-CVE-2026-33260](https://patchblox.com/security/data/fix/linux/debian-cve-2026-33260.md) | May 15, 2026 | Debian 13.5 (trixie) 5.2.9-0+deb13u1 | High | 1 | 0 |
| [DEBIAN-CVE-2026-33260](https://patchblox.com/security/data/fix/linux/debian-cve-2026-33260.md) | May 15, 2026 | Debian 14 5.3.0-1 | High | 1 | 0 |
| [DEBIAN-CVE-2026-33257](https://patchblox.com/security/data/fix/linux/debian-cve-2026-33257.md) | May 15, 2026 | Debian 13.5 (trixie) 5.2.9-0+deb13u1 | High | 1 | 0 |
| [DEBIAN-CVE-2026-33257](https://patchblox.com/security/data/fix/linux/debian-cve-2026-33257.md) | May 15, 2026 | Debian 14 5.3.0-1 | High | 1 | 0 |
| [DEBIAN-CVE-2026-33600](https://patchblox.com/security/data/fix/linux/debian-cve-2026-33600.md) | May 15, 2026 | Debian 13.5 (trixie) 5.2.9-0+deb13u1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-33600](https://patchblox.com/security/data/fix/linux/debian-cve-2026-33600.md) | May 15, 2026 | Debian 14 5.4.1-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-33601](https://patchblox.com/security/data/fix/linux/debian-cve-2026-33601.md) | May 15, 2026 | Debian 13.5 (trixie) 5.2.9-0+deb13u1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-33601](https://patchblox.com/security/data/fix/linux/debian-cve-2026-33601.md) | May 15, 2026 | Debian 14 5.4.1-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-33262](https://patchblox.com/security/data/fix/linux/debian-cve-2026-33262.md) | May 15, 2026 | Debian 14 5.4.1-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-33262](https://patchblox.com/security/data/fix/linux/debian-cve-2026-33262.md) | May 15, 2026 | Debian 13.5 (trixie) 5.2.9-0+deb13u1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-33261](https://patchblox.com/security/data/fix/linux/debian-cve-2026-33261.md) | May 15, 2026 | Debian 13.5 (trixie) 5.2.9-0+deb13u1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-33261](https://patchblox.com/security/data/fix/linux/debian-cve-2026-33261.md) | May 15, 2026 | Debian 14 5.4.1-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-33259](https://patchblox.com/security/data/fix/linux/debian-cve-2026-33259.md) | May 15, 2026 | Debian 13.5 (trixie) 5.2.9-0+deb13u1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-33259](https://patchblox.com/security/data/fix/linux/debian-cve-2026-33259.md) | May 15, 2026 | Debian 14 5.4.1-1 | Routine | 1 | 0 |
| [DSA-6134-1](https://patchblox.com/security/data/fix/linux/dsa-6134-1.md) | Feb 13, 2026 | Debian 13.5 (trixie) 5.2.8-0+deb13u1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-24027](https://patchblox.com/security/data/fix/linux/debian-cve-2026-24027.md) | Feb 9, 2026 | Debian 13.5 (trixie) 5.2.8-0+deb13u1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-24027](https://patchblox.com/security/data/fix/linux/debian-cve-2026-24027.md) | Feb 9, 2026 | Debian 14 5.3.5-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-0398](https://patchblox.com/security/data/fix/linux/debian-cve-2026-0398.md) | Feb 9, 2026 | Debian 14 5.3.5-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2025-59023](https://patchblox.com/security/data/fix/linux/debian-cve-2025-59023.md) | Feb 9, 2026 | Debian 14 5.3.1-1 | High | 1 | 0 |
| [DEBIAN-CVE-2025-59024](https://patchblox.com/security/data/fix/linux/debian-cve-2025-59024.md) | Feb 9, 2026 | Debian 13.5 (trixie) 5.2.6-0+deb13u1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2025-59024](https://patchblox.com/security/data/fix/linux/debian-cve-2025-59024.md) | Feb 9, 2026 | Debian 14 5.3.1-1 | Routine | 1 | 0 |
| [pdns-recursor 4.1.8-1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-pdns-recursor-4.1.8-1.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 4.1.8-1 | Routine | 1 | 0 |
| [pdns-recursor 4.1.8-1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-pdns-recursor-4.1.8-1.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 4.1.8-1 | Routine | 1 | 0 |
| [DSA-6077-1](https://patchblox.com/security/data/fix/linux/dsa-6077-1.md) | Dec 10, 2025 | Debian 13.5 (trixie) 5.2.7-0+deb13u1 | High | 1 | 0 |
| [DEBIAN-CVE-2025-59030](https://patchblox.com/security/data/fix/linux/debian-cve-2025-59030.md) | Dec 9, 2025 | Debian 14 5.3.3-1 | High | 1 | 0 |
| [DEBIAN-CVE-2025-59029](https://patchblox.com/security/data/fix/linux/debian-cve-2025-59029.md) | Dec 9, 2025 | Debian 14 5.3.3-1 | Routine | 1 | 0 |
| [DSA-6045-1](https://patchblox.com/security/data/fix/linux/dsa-6045-1.md) | Oct 29, 2025 | Debian 13.5 (trixie) 5.2.6-0+deb13u1 | High | 1 | 0 |
| [DEBIAN-CVE-2025-30192](https://patchblox.com/security/data/fix/linux/debian-cve-2025-30192.md) | Jul 21, 2025 | Debian 13.5 (trixie) 5.2.4-2 | High | 1 | 0 |
| [DEBIAN-CVE-2025-30192](https://patchblox.com/security/data/fix/linux/debian-cve-2025-30192.md) | Jul 21, 2025 | Debian 14 5.2.4-2 | High | 1 | 0 |
| [DEBIAN-CVE-2025-30195](https://patchblox.com/security/data/fix/linux/debian-cve-2025-30195.md) | Apr 7, 2025 | Debian 13.5 (trixie) 5.2.1-1 | High | 1 | 0 |
| [DEBIAN-CVE-2025-30195](https://patchblox.com/security/data/fix/linux/debian-cve-2025-30195.md) | Apr 7, 2025 | Debian 14 5.2.1-1 | High | 1 | 0 |
| [DSA-5852-1](https://patchblox.com/security/data/fix/linux/dsa-5852-1.md) | Jan 28, 2025 | Debian 12.15 (bookworm) 4.8.8-1+deb12u1 | High | 1 | 0 |
| [DEBIAN-CVE-2024-25590](https://patchblox.com/security/data/fix/linux/debian-cve-2024-25590.md) | Oct 3, 2024 | Debian 13.5 (trixie) 5.0.9-1 | High | 1 | 0 |
| [DEBIAN-CVE-2024-25590](https://patchblox.com/security/data/fix/linux/debian-cve-2024-25590.md) | Oct 3, 2024 | Debian 14 5.0.9-1 | High | 1 | 0 |
| [DEBIAN-CVE-2024-25583](https://patchblox.com/security/data/fix/linux/debian-cve-2024-25583.md) | Apr 25, 2024 | Debian 13.5 (trixie) 4.9.5-1 | High | 1 | 0 |
| [DEBIAN-CVE-2024-25583](https://patchblox.com/security/data/fix/linux/debian-cve-2024-25583.md) | Apr 25, 2024 | Debian 14 4.9.5-1 | High | 1 | 0 |
| [DSA-5674-1](https://patchblox.com/security/data/fix/linux/dsa-5674-1.md) | Apr 25, 2024 | Debian 12.15 (bookworm) 4.8.8-1 | High | 1 | 0 |
| [DSA-5626-1](https://patchblox.com/security/data/fix/linux/dsa-5626-1.md) | Feb 18, 2024 | Debian 12.15 (bookworm) 4.8.6-1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-50387](https://patchblox.com/security/data/fix/linux/debian-cve-2023-50387.md) | Feb 14, 2024 | Debian 13.5 (trixie) 4.9.3-1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-50387](https://patchblox.com/security/data/fix/linux/debian-cve-2023-50387.md) | Feb 14, 2024 | Debian 14 4.9.3-1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-50868](https://patchblox.com/security/data/fix/linux/debian-cve-2023-50868.md) | Feb 14, 2024 | Debian 12.15 (bookworm) 4.8.6-1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-50868](https://patchblox.com/security/data/fix/linux/debian-cve-2023-50868.md) | Feb 14, 2024 | Debian 13.5 (trixie) 4.9.3-1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-50868](https://patchblox.com/security/data/fix/linux/debian-cve-2023-50868.md) | Feb 14, 2024 | Debian 14 4.9.3-1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-26437](https://patchblox.com/security/data/fix/linux/debian-cve-2023-26437.md) | Apr 4, 2023 | Debian 12.15 (bookworm) 4.8.4-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2023-26437](https://patchblox.com/security/data/fix/linux/debian-cve-2023-26437.md) | Apr 4, 2023 | Debian 13.5 (trixie) 4.8.4-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2023-26437](https://patchblox.com/security/data/fix/linux/debian-cve-2023-26437.md) | Apr 4, 2023 | Debian 14 4.8.4-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2023-22617](https://patchblox.com/security/data/fix/linux/debian-cve-2023-22617.md) | Jan 21, 2023 | Debian 13.5 (trixie) 4.8.1-1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-22617](https://patchblox.com/security/data/fix/linux/debian-cve-2023-22617.md) | Jan 21, 2023 | Debian 14 4.8.1-1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-22617](https://patchblox.com/security/data/fix/linux/debian-cve-2023-22617.md) | Jan 21, 2023 | Debian 12.15 (bookworm) 4.8.1-1 | High | 1 | 0 |
| [DEBIAN-CVE-2022-37428](https://patchblox.com/security/data/fix/linux/debian-cve-2022-37428.md) | Aug 23, 2022 | Debian 12.15 (bookworm) 4.7.2-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2022-37428](https://patchblox.com/security/data/fix/linux/debian-cve-2022-37428.md) | Aug 23, 2022 | Debian 13.5 (trixie) 4.7.2-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2022-37428](https://patchblox.com/security/data/fix/linux/debian-cve-2022-37428.md) | Aug 23, 2022 | Debian 14 4.7.2-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2022-27227](https://patchblox.com/security/data/fix/linux/debian-cve-2022-27227.md) | Mar 25, 2022 | Debian 12.15 (bookworm) 4.6.1-1 | High | 1 | 0 |
| [DEBIAN-CVE-2022-27227](https://patchblox.com/security/data/fix/linux/debian-cve-2022-27227.md) | Mar 25, 2022 | Debian 13.5 (trixie) 4.6.1-1 | High | 1 | 0 |
| [DEBIAN-CVE-2022-27227](https://patchblox.com/security/data/fix/linux/debian-cve-2022-27227.md) | Mar 25, 2022 | Debian 14 4.6.1-1 | High | 1 | 0 |
| [pdns-recursor 4.1.1-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-pdns-recursor-4.1.1-2ubuntu0.1-esm1.md) | Mar 25, 2022 | Ubuntu 18.04.6 LTS (bionic) 4.1.1-2ubuntu0.1~esm1 | High | 4 | 0 |
| [pdns-recursor 4.2.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-pdns-recursor-4.2.1-1ubuntu0.1-esm1.md) | Mar 25, 2022 | Ubuntu 20.04 LTS (focal) 4.2.1-1ubuntu0.1~esm1 | High | 1 | 0 |
| [pdns-recursor 4.6.0-1ubuntu1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-pdns-recursor-4.6.0-1ubuntu1-esm1.md) | Mar 25, 2022 | Ubuntu 22.04.1 LTS (jammy) 4.6.0-1ubuntu1+esm1 | High | 1 | 0 |

---

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

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