Description
Buffer overflow in PowerDNS Recursor before 3.1.7.2 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via crafted packets.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | pdns-recursor | 3.1.7.2-1 | — |
| Debian 13 | pdns-recursor | 3.1.7.2-1 | — |
| Debian 12 | pdns-recursor | 3.1.7.2-1 | — |
| Debian 5.0 | pdns-recursor | 3.1.7-1+lenny1 | DSA-1968-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | pdns-recursor | 4.0.3-1.2 | openSUSE-SU-2024:10537-1 |
Advisories 2
- DSA-1968-1 pdns-recursor - potential code execution Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10537-1 pdns-recursor-4.0.3-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- FEDORA-2010-0209 vendor-advisory
- 1023403 vdb-entry
- 20100106 Critical PowerDNS Recursor Security Vulnerabilities: please upgrade ASAP to 3.1.7.2 mailing-list
- http://doc.powerdns.com/powerdns-advisory-2010-01.html
- https://bugzilla.redhat.com/show_bug.cgi?id=552285
- powerdns-unspecified-bo(55438) vdb-entry
- 38004 third-party-advisory
- FEDORA-2010-0228 vendor-advisory
- 37650 vdb-entry
- 38068 third-party-advisory
- ADV-2010-0054 vdb-entry