cve.bz

CVE-2025-29908

5.3 mediumEPSS 0.6%

Medium (5.3). EPSS 0.6% chance of exploitation in the next 30 days. Fixed in io.netty.incubator:netty-incubator-codec-quic 0.0.71.Final.

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.

Severity

CVSS 3.1

5.3 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS
0.6% chance of exploitation in the next 30 days; higher than 48% of CVEs (scores of 2026-10-31)
CWE
CWE-407
Published
Modified
Record from
the NVD, synced

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-hqqc-jr88-p6x2Mavenio.netty.incubator:netty-incubator-codec-quic<0.0.71.Final0.0.71.Final

References

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