EUVD-2026-24731
NULL Pointer Dereference (CWE-476)
2026-04-22
OX
4.4
CVSS 3.1
Share
CVSS VectorNVD
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Lifecycle Timeline
2
Analysis Generated
Apr 22, 2026 - 13:09 vuln.today
Patch available
Apr 22, 2026 - 11:16 EUVD
DescriptionNVD
An RPZ sent by a malicious authoritative server can result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service.
AnalysisAI
Denial of service in PowerDNS Recursor occurs when processing a malicious Response Policy Zone (RPZ) from an authoritative server, triggering a null pointer dereference due to missing validation logic. Versions 5.2.0-5.2.8, 5.3.0-5.3.5, and 5.4.0 are affected. …
Sign in for full analysis, threat intelligence, and remediation guidance.
Share
External POC / Exploit Code
Leaving vuln.today
Destination URL
POC code from unknown sources may be malicious, contain backdoors, or be fake.
Always review and test exploit code in a safe, isolated environment (VM/sandbox).
Verify the source reputation and cross-reference with known databases (Exploit-DB, GitHub Security).