CVE-2026-40719

| EUVD-2026-22839 HIGH
2026-04-15 mitre
Information Disclosure
7.5
CVSS 3.1
Share

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

1
Analysis Generated
Apr 15, 2026 - 07:21 vuln.today

DescriptionNVD

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

AnalysisAI

Connection slot exhaustion in Deadwood (MaraDNS 3.5.0036) allows remote unauthenticated attackers to cause denial of service by triggering lookups for zones with unresolvable authoritative nameserver addresses. This resource exhaustion vulnerability (CWE-670) has CVSS 7.5 severity and EPSS data indicates low exploitation probability. …

Sign in for full analysis, threat intelligence, and remediation guidance.

RemediationAI

Within 24 hours: Inventory all MaraDNS 3.5.0036 deployments and document their role in DNS infrastructure. Within 7 days: Implement network-level rate limiting on DNS query ports (53 UDP/TCP) and evaluate alternative DNS resolver solutions. …

Sign in for detailed remediation steps.

Full analysis requires sign-in

Get intelligence summaries, risk assessment, exploit details, threat intel, and remediation guidance.

Sign in - Free

Share

CVE-2026-40719 vulnerability details – vuln.today
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy