CVE catalog
CVE-2026-40719
UBUNTU-CVE-2026-40719
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.38% · Oct 27, 2026
Deadwood in MaraDNS 3.5.0036 allows attackers to exhaust connection slots via a zone whose authoritative nameserver address cannot be resolved.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | maradns | 11 | 2.0.13-1.4 | vulnerable |
| Debian | maradns | 11 | 2.0.13-1.4+deb11u1 | vulnerable |
| Debian | maradns | 11 | 2.0.13-1.5 | vulnerable |
| Debian | maradns | 11 | 2.0.13-1.6 | vulnerable |
| Ubuntu | maradns | pro | 2.0.13-1.2 | vulnerable |
| Ubuntu | maradns | pro | 2.0.13-1.2ubuntu0.1~esm1 | vulnerable |
| Ubuntu | maradns | 20.04 | 2.0.13-1.2build1 | vulnerable |
| Ubuntu | maradns | 20.04 | 2.0.13-1.4 | vulnerable |
| Ubuntu | maradns | 20.04 | 2.0.13-1.4build1 | vulnerable |
| Ubuntu | maradns | 20.04 | 2.0.13-1.4+deb11u1build0.20.04.1 | vulnerable |
| Ubuntu | maradns | 22.04 | 2.0.13-1.4build2 | vulnerable |
| Ubuntu | maradns | 22.04 | 2.0.13-1.4+deb11u1build0.22.04.1 | vulnerable |
| Ubuntu | maradns | 24.04 | 2.0.13-1.4ubuntu1 | vulnerable |
| Ubuntu | maradns | 24.04 | 2.0.13-1.5 | vulnerable |
| Ubuntu | maradns | 24.04 | 2.0.13-1.6 | vulnerable |
Fixed-version evidence
OpenFactory catalog packages
No matching packages in this catalog.
Observed: