| Name | CVE-2016-6172 |
| Description | PowerDNS (aka pdns) Authoritative Server before 4.0.1 allows remote primary DNS servers to cause a denial of service (memory exhaustion and secondary DNS server crash) via a large (1) AXFR or (2) IXFR response. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-627-1, DSA-3664-1 |
| Debian Bugs | 830808 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| pdns (PTS) | jessie, jessie (lts) | 3.4.1-4+deb8u10 | fixed |
| stretch (security), stretch (lts), stretch | 4.0.3-1+deb9u5 | fixed |
| buster | 4.1.6-3+deb10u1 | fixed |
| bullseye | 4.4.1-1 | fixed |
| bookworm | 4.7.3-2 | fixed |
| sid, trixie | 4.9.3-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://github.com/PowerDNS/pdns/issues/4128
Master: https://github.com/PowerDNS/pdns/pull/4133
3.4.x: https://github.com/PowerDNS/pdns/pull/4134