CVE-2026-24030 — Unbounded memory allocation for DoQ and DoH3
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 setup…
Published: 2026-03-31 · CVSS: 5.3 · CVSS 3.1
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 results in an exception and the QUIC connection is properly closed, but in some cases the system might enter an out-of-memory state instead and terminate the process.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7