CVE-2025-29908

Netty QUIC hash collision DoS attack

State
Published
Severity
5.3 Medium
Published
Mar 31, 2025
Updated
Apr 1, 2025
Reserved
Mar 12, 2025

Read the record on cve.org

Description

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.

Scores

CVSSScoreVectorSource
3.15.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LGitHub_M

Weaknesses

  • CWE-407 Inefficient Algorithmic Complexity

Affected Products

ProductVersions
netty-incubator-codec-quicnetty
  • < 0.0.71.FinalAffected

References

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