CVE-2023-26437

Deterred spoofing attempts can lead to authoritative servers being marked unavailable

State: Published
Severity: 3.4 Low
Published: Apr 4, 2023
Updated: Feb 13, 2025
Reserved: Feb 22, 2023

Description

Denial of service vulnerability in PowerDNS Recursor allows authoritative servers to be marked unavailable.This issue affects Recursor: through 4.6.5, through 4.7.4 , through 4.8.3.

Scores

CVSS	Score	Vector	Source
3.1	3.4 Low	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:L	OX

Weaknesses

CWE-400 Uncontrolled Resource Consumption

Affected Products

Product	Versions
RecursorPowerDNS	4.6.5 and earlierAffected 4.7.4 and earlierAffected 4.8.3 and earlierAffected

References

https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2023-02.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CN7VMRYKZHG2UDUAK326LXD3JY7NO3LR/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IHPD6SIQOG7245GXFQHPUEI4AZ6Y3KD6/

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