CVE-2026-40719
HIGH
7.5
CVSS Score
Published: April 15, 2026 at 06:23 AM UTC
Updated: June 17, 2026 at 10:45 AM UTC
1 product affected across 1 vendorMaraDNS
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Severity
HIGH7.5
Exploit prediction
EPSS 0.4%
SSVC
PoC
Description
Deadwood in MaraDNS 3.5.0036 allows attackers to exhaust connection slots via a zone whose authoritative nameserver address cannot be resolved.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (2)
Source: cverecord
https://maradns.samiam.org/changelog.htmlSSVC — Action Prioritization
SSVCPoCAutomatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
7.5HIGHmitre
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusAWAITING ANALYSIS
CWE
CWE-670
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