CVE-2025-29908 — Netty QUIC hash collision DoS attack
Netty QUIC codec is a QUIC codec for netty which makes use of quiche. An issue was discovered in the codec. A hash collision vulnerability (in the hash map used to manage connec…
Published: 2025-03-31 · CVSS: 5.3 · CVSS 3.1
Netty QUIC codec is a QUIC codec for netty which makes use of quiche. An issue was discovered in the codec. A hash collision vulnerability (in the hash map used to manage connections) allows remote attackers to cause a considerable CPU load on the server (a Hash DoS attack) by initiating connections with colliding Source Connection IDs (SCIDs). This vulnerability is fixed in 0.0.71.Final.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7