CVE-2026-24030 describes a denial-of-service vulnerability in DNSdist, where an attacker can trigger excessive memory allocation by sending specially crafted DNS over QUIC or DNS over HTTP/3 payloads. Rated CVSS 5.3 MEDIUM, this issue has a network attack vector and low complexity, allowing an unauthenticated attacker to cause the DNSdist process to terminate due to an out-of-memory state. Currently, there is no evidence of active exploitation, no public exploit code available, and minimal community discussion or media coverage regarding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 1.9.0, < 1.9.12CPE matchmatch criteria | cpe:2.3:a:powerdns:dnsdist:*:*:*:*:*:*:*:* | ||
>= 2.0.0, < 2.0.3CPE matchmatch criteria | cpe:2.3:a:powerdns:dnsdist:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.