CVE Tools
Home/Vulnerability/CVE-2026-40719

CVE-2026-40719

Deadwood in MaraDNS 3.5.0036 allows attackers to exhaust connection slots via a zone whose authoritative nameserver address cannot be resolved.

Published: Apr 15, 2026Updated: Apr 15, 2026 Sources: CVE List NVD
NVD MITRE
7.5CVSS
HIGH

Deadwood in MaraDNS 3.5.0036 allows attackers to exhaust connection slots via a zone whose authoritative nameserver address cannot be resolved.

EPSS Score
0.0%
Top 88.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High

Weaknesses

CWE-670

Affected Products

MaraDNS
MaraDNS

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

References

https://github.com/samboy/MaraDNS/security/advisories/GHSA-cfc6-vhrv-62cj
github.com
https://maradns.samiam.org/changelog.html
maradns.samiam.org

Timeline

Published
Apr 15, 2026
Last Updated
Apr 15, 2026

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2026-40719 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
AI-powered analysis
Plain-language impact assessment and exploitation scenario
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows