| Name | CVE-2026-40719 |
| Description | Deadwood in MaraDNS 3.5.0036 allows attackers to exhaust connection slots via a zone whose authoritative nameserver address cannot be resolved. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| maradns (PTS) | bullseye (security), bullseye | 2.0.13-1.4+deb11u1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| maradns | source | (unstable) | (unfixed) | | | |
Notes
https://github.com/samboy/MaraDNS/security/advisories/GHSA-cfc6-vhrv-62cj