CVE-2025-30194

When DNSdist is configured to provide DoH via the nghttp2 provider, an attacker can cause a denial of service by crafting a DoH exchange that triggers an illegal memory access double-free and crash of DNSdist, causing a denial of service. The remedy is: upgrade to the patched 1.9.9 version. A...

CVE-2025-30194

Summary (CVE-2025-30194) : When DNSdist is configured to serve DoH through the nghttp2 provider, an attacker can trigger an illegal memory access (double-free) via a crafted DoH exchange, causing a denial of service (crash). The vulnerability affects DNSdist’s DoH handling with nghttp2; an upgrad...