| Name | CVE-2026-33608 |
| Description | An attacker can send a notify request that causes a new secondary domain to be added to the bind backend, but causes said backend to update its configuration to an invalid one, leading to the backend no longer able to run on the next restart, requiring manual operation to fix it. |
| 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 |
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 |
[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#incomplete-domain-name-sanitization-during-bind-autosecondary-zone-transfer