The hash table used to manage connections in picoquic before b80fd3f uses a weak hash…
Priority LOW 31CWE-407Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-407.
Summary
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).
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00548 46th percentileScored 2026-11-07
Fix Fixed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
No affected products listed by the sources yet.
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-24946
- 2026-10-03 Alias added: GHSA-m6hh-vp2v-rm5m
References
More privateoctopus vulnerabilities
- TI-2020-15252 picoquic (before 3rd of July 2020) allows attackers to cause a denial of service… CVSS 3.1HIGH 7.5
Sources
- CVE-2025-24946 · CVE Program
- CVE-2025-24946 · NVD
- FIRST EPSS
- GHSA-m6hh-vp2v-rm5m · GitHub Advisory Database · CC BY 4.0
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