# CVE-2026-33609: pdns: Incomplete escaping of LDAP queries when running with 8bit-dns enabled allows users to perform queries of internal do...

CVE-2026-33609 is fixed in pdns on 1 platform, first by DEBIAN-CVE-2026-33609, released May 15, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-33609
- Priority: Routine
- CVSS: 6.5 (medium)
- EPSS: 0.0024
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 22, 2026

## Description

Incomplete escaping of LDAP queries when running with 8bit-dns enabled allows users to perform queries of internal domain subtrees.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | pdns Debian 13.5 (trixie) | 4.9.14-0+deb13u1 | [DEBIAN-CVE-2026-33609](https://patchblox.com/security/data/fix/linux/debian-cve-2026-33609.md) | May 15, 2026 |
| Linux | pdns Debian 14 | 5.0.4-1 | [DEBIAN-CVE-2026-33609](https://patchblox.com/security/data/fix/linux/debian-cve-2026-33609.md) | May 15, 2026 |

---

Data as of 2026-11-08T06:59:42Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

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.