What is CVE-2026-24028?

CVE-2026-24028 is a medium-severity vulnerability in Powerdns Dnsdist. CVSS score: 5.3/10. Published 2026-03-31.

How severe is CVE-2026-24028?

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

Vulnerability in Powerdns Dnsdist

CVE-2026-24028

An attacker might be able to trigger an out-of-bounds read by sending a crafted DNS response packet, when custom Lua code uses newDNSPacketOverlay to parse DNS packets. The out-of-bounds read might trigger a crash, leading to a denial of s…

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-2026-24028?: CVE-2026-24028 is a medium-severity vulnerability in Powerdns Dnsdist. CVSS score: 5.3/10. Published 2026-03-31.
How severe is CVE-2026-24028?: Medium severity. CVSS v3 base score is 5.3 out of 10.