Description
MaraDNS 1.0 before 1.0.41, 1.2 before 1.2.12.08, and 1.3 before 1.3.07.04 allows remote attackers to cause a denial of service via a crafted DNS packet that prevents an authoritative name (CNAME) record from resolving, aka "improper rotation of resource records."
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 11 | maradns | 1.2.12.08-1 | — |
| Debian 4.0 | maradns | 1.2.12.04-1etch2 | DSA-1445-1 |
| Debian 3.1 | maradns | 1.0.27-2 | DSA-1445-1 |
Advisories 1
- DSA-1445-1 maradns denial of service Debian Security (DSA / DLA) · Mar 9, 2026
References
- ADV-2008-0026 vdb-entry
- 28334 third-party-advisory
- 28329 third-party-advisory
- 28650 third-party-advisory
- GLSA-200801-16 vendor-advisory
- http://bugs.gentoo.org/show_bug.cgi?id=204351
- DSA-1445 vendor-advisory
- http://maradns.blogspot.com/2007/08/maradns-update-all-versions.html
- http://www.maradns.org/changelog.html
- 27124 vdb-entry