CVE-2025-24946

Published: Feb 20, 2025

Modified: Feb 20, 2025

PUBLISHED

CVSS v3.1

5.3

MEDIUM

Description

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).

Vendor	Product	Versions
privateoctopus	picoquic	affected `0 - < b80fd3f5903279ae3e7714ee4109363d9ab4491a`

Weaknesses (CWE)

CWE-407

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

References

https://github.com/ncc-pbottine/QUIC-Hash-Dos-Advisory

https://github.com/private-octopus/picoquic/commit/b80fd3f5903279ae3e7714ee4109363d9ab4491a

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CVE-2025-24946

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References