Description
The DNSPacket::expand method in dnspacket.cc in PowerDNS before 2.9.17 allows remote attackers to cause a denial of service by sending a random stream of bytes.
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 | 2.9.16-6 | — |
| Debian 13 | pdns | 2.9.16-6 | — |
| Debian 12 | pdns | 2.9.16-6 | — |
References
- powerdns-random-bytes-dos(19221) vdb-entry
- GLSA-200502-15 vendor-advisory
- 12446 vdb-entry
- http://doc.powerdns.com/changelog.html#CHANGELOG-2-9-17
- http://ds9a.nl/cgi-bin/cvstrac/pdns/tktview?tn=21