CVE-2026-40719
MaraDNS Deadwood Connection Slot Exhaustion
Description
Deadwood in MaraDNS 3.5.0036 allows attackers to exhaust connection slots via a zone whose authoritative nameserver address cannot be resolved.
INFO
Published Date :
April 15, 2026, 6:23 a.m.
Last Modified :
April 15, 2026, 6:37 a.m.
Remotely Exploit :
Yes !
Source :
mitre
Affected Products
The following products are affected by CVE-2026-40719
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 8254265b-2729-46b6-b9e3-3dfca2d5bfca | ||||
| CVSS 3.1 | HIGH | MITRE-CVE |
Solution
- Update MaraDNS to the latest version.
- Configure zone authoritative nameserver addresses correctly.
- Ensure nameservers are resolvable.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-40719 vulnerability anywhere in the article.