CVE-2025-24946

CVSS 5.3 MEDIUMEPSS 0.5%CWE-407

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.3EPSS 0.5%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

20 Feb 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

The hash table used to manage connections in picoquic before b80fd3f uses a weak hash function, allowing remote attackers to cause a considerable CPU load on the server (a Hash DoS attack) by initiating connections with colliding Source Connection IDs (SCIDs).

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected products

privateoctopus · picoquic

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References

https://github.com/ncc-pbottine/QUIC-Hash-Dos-Advisory https://github.com/private-octopus/picoquic/commit/b80fd3f5903279ae3e7714ee4109363d9ab4491a