PT-2026-33007 · Maradns · Maradns

Published 2026-04-15 · Updated 2026-04-15 · CVE-2026-40719

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions MaraDNS version 3.5.0036

Description Deadwood in the software allows attackers to exhaust connection slots by using a zone where the authoritative nameserver address cannot be resolved.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Weakness Enumeration

CWE-670

Related Identifiers

CVE-2026-40719

Affected Products

Maradns

References · 9

• 🔥 https://github.com/samboy/MaraDNS/security/advisories/GHSA-cfc6-vhrv-62cj · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-40719 · Security Note
• https://cve.org/CVERecord?id=CVE-2026-40719 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-40719 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-40719 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-40719 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-40719 · Vendor Advisory
• https://twitter.com/CVEnew/status/2044338842438971610 · Twitter Post
• https://maradns.samiam.org/changelog.html · Note