What is CVE-2023-26437?

CVE-2023-26437 is a low-severity vulnerability in Powerdns Recursor, classified under Uncontrolled Resource Consumption. CVSS score: 3.4/10. Published 2023-04-04.

How severe is CVE-2023-26437?

Low severity. CVSS v3 base score is 3.4 out of 10.

Resource exhaustion in Powerdns Recursor

CVE-2023-26437

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.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.006 (44.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.4 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:L.

Affected products

Powerdns Recursor — versions 0

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

security@open-xchange.com (Vendor Advisory)
security@open-xchange.com
security@open-xchange.com

Frequently asked questions

What is CVE-2023-26437?: CVE-2023-26437 is a low-severity vulnerability in Powerdns Recursor, classified under Uncontrolled Resource Consumption. CVSS score: 3.4/10. Published 2023-04-04.
How severe is CVE-2023-26437?: Low severity. CVSS v3 base score is 3.4 out of 10.