What is CVE-2026-24030?

CVE-2026-24030 is a medium-severity vulnerability in Powerdns Dnsdist. CVSS score: 5.3/10. Published 2026-03-31.

How severe is CVE-2026-24030?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Powerdns Dnsdist

CVE-2026-24030

An attacker might be able to trick DNSdist into allocating too much memory while processing DNS over QUIC or DNS over HTTP/3 payloads, resulting in a denial of service. In setups with a large quantity of memory available this usually resul…

EPSS: 0.000 (0.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Powerdns Dnsdist — versions 1.9.0, 2.0.0

References

www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-02.html

Frequently asked questions

What is CVE-2026-24030?: CVE-2026-24030 is a medium-severity vulnerability in Powerdns Dnsdist. CVSS score: 5.3/10. Published 2026-03-31.
How severe is CVE-2026-24030?: Medium severity. CVSS v3 base score is 5.3 out of 10.