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CVE Vulnerability Details :

CVE-2026-40719

PUBLISHED

More Info Official Page

Assigner-mitre

Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca

Published At-15 Apr, 2026 | 06:23

Updated At-15 Apr, 2026 | 13:22

▼CVE Numbering Authority (CNA)

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

Affected Products

Vendor

MaraDNS

Product

MaraDNS

Default Status

unknown

Versions

Affected

3.5.0036 (custom)

Problem Types

Type	CWE ID	Description
CWE	CWE-670	CWE-670 Always-Incorrect Control Flow Implementation

Type: CWE

CWE ID: CWE-670

Description: CWE-670 Always-Incorrect Control Flow Implementation

Metrics

Version	Base score	Base severity	Vector
3.1	7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Version: 3.1

Base score: 7.5

Base severity: HIGH

Vector:

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

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

Hyperlink: https://github.com/samboy/MaraDNS/security/advisories/GHSA-cfc6-vhrv-62cj

Resource: N/A

Hyperlink: https://maradns.samiam.org/changelog.html

Resource: N/A

▼Authorized Data Publishers (ADP)

CISA ADP Vulnrichment

Metrics Other Info

References

Hyperlink	Resource
https://github.com/samboy/MaraDNS/security/advisories/GHSA-cfc6-vhrv-62cj	exploit

Hyperlink: https://github.com/samboy/MaraDNS/security/advisories/GHSA-cfc6-vhrv-62cj

Resource:

exploit

Affected Products

Affected

Problem Types

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

Affected Products

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References