| Name | CVE-2026-33609 |
| Description | Incomplete escaping of LDAP queries when running with 8bit-dns enabled allows users to perform queries of internal domain subtrees. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-6233-1 |
| Debian Bugs | 1135373 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| pdns (PTS) | bullseye | 4.4.1-1 | vulnerable |
| bookworm | 4.7.3-2 | vulnerable |
| trixie | 4.9.7-1 | vulnerable |
| trixie (security) | 4.9.14-0+deb13u1 | fixed |
| forky, sid | 5.0.3-1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| pdns | source | bullseye | (unfixed) | end-of-life | | |
| pdns | source | bookworm | (unfixed) | end-of-life | | |
| pdns | source | trixie | 4.9.14-0+deb13u1 | | DSA-6233-1 | |
| pdns | source | (unstable) | (unfixed) | | | 1135373 |
Notes
[bookworm] - pdns <end-of-life> (See #1119290)
[bullseye] - pdns <end-of-life> (see DLA 4471)
https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-2026-05.html#ldap-dn-injection