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    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, 2026
    Last Modified:Apr 17, 2026
    EPS:Apr 15, 2026
    EPSS Score:0.0004
    CVSS Score:7.5

    Affected Products

    Vendor
    Maradns
    Product
    Maradns

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2023-31137 (CVSS 7.5) — MaraDNS is open-source software that implements the Domain Name System (DNS). In version 3.5.0024 and prior, a…
    CVE-2022-30256 (CVSS 7.5) — An issue was discovered in MaraDNS Deadwood through 3.5.0021 that allows variant V1 of unintended domain name …
    CVE-2012-1570 (CVSS 4.3) — The resolver in MaraDNS before 1.3.0.7.15 and 1.4.x before 1.4.12 overwrites cached server names and TTL value…
    CVE-2011-5055 (CVSS 5) — MaraDNS 1.3.07.12 and 1.4.08 computes hash values for DNS data without properly restricting the ability to tri…
    CVE-2012-0024 (CVSS 7.8) — MaraDNS before 1.3.07.12 and 1.4.x before 1.4.08 computes hash values for DNS data without restricting the abi…
    CVE-2011-5056 (CVSS 2.1) — The authoritative server in MaraDNS through 2.0.04 computes hash values for DNS data without restricting the a…
    CVE-2011-0520 (CVSS 7.5) — The compress_add_dlabel_points function in dns/Compress.c in MaraDNS 1.4.03, 1.4.05, and probably other versio…
    CVE-2010-2444 (CVSS 4.3) — parse/Csv2_parse.c in MaraDNS 1.3.03, and other versions before 1.4.03, does not properly handle hostnames tha…
    CVE-2008-0061 (CVSS 5) — MaraDNS 1.0 before 1.0.41, 1.2 before 1.2.12.08, and 1.3 before 1.3.07.04 allows remote attackers to cause a d…
    CVE-2007-3115 (CVSS 7.8) — Multiple memory leaks in server/MaraDNS.c in MaraDNS before 1.2.12.06, and 1.3.x before 1.3.05, allow remote a…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High