CVE-2025-24946: Privateoctopus Picoquic

Medium severity, CVSS 5.3. EPSS: 0.5% chance of exploitation in the next 30 days.

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).

Affected products

• Privateoctopus Picoquic

Published 2025-02-20. Last modified 2026-06-17.