| Name | CVE-2006-4252 |
| Description | PowerDNS Recursor 3.1.3 and earlier allows remote attackers to cause a denial of service (resource exhaustion and application crash) via a CNAME record with a zero TTL, which triggers an infinite loop. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 398559 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| pdns (PTS) | buster | 4.1.6-3+deb10u1 | fixed |
| bullseye | 4.4.1-1 | fixed |
| bookworm | 4.7.3-2 | fixed |
| sid, trixie | 4.9.0-2 | fixed |
| pdns-recursor (PTS) | buster, buster (security) | 4.1.11-1+deb10u1 | fixed |
| bullseye | 4.4.2-3 | fixed |
| bookworm | 4.8.4-1 | fixed |
| bookworm (security) | 4.8.8-1 | fixed |
| trixie | 4.9.3-1 | fixed |
| sid | 4.9.5-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| pdns | source | (unstable) | (not affected) | | | |
| pdns-recursor | source | (unstable) | 3.1.4-1 | | | 398559 |
Notes
- pdns <not-affected> (Recursor module has been moved to pdns-recursor)