CVE-2025-30194 is a high-severity denial-of-service vulnerability affecting DNSdist when configured for DoH using the nghttp2 provider. An unauthenticated attacker can crash the DNSdist server by sending a specially crafted DoH request, leading to a double-free memory error. The CVSS score is 7.5, indicating a network-based attack with low complexity and no user interaction required, resulting in a complete loss of availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion regarding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 1.9.0, < 1.9.9CPE match | 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:H
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.
No media coverage found for this CVE.
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.