CVE-2023-42805
HIGHCVSS 7.5/10EPSS 0.76%
Last modified
CVE-2023-42805 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. quinn-proto is a state machine for the QUIC transport protocol. Prior to versions 0.9.5 and 0.10.5, receiving unknown QUIC frames in a QUIC packet could result in a panic. EPSS estimates a 0.76% chance of exploitation in the next 30 days.
Description
quinn-proto is a state machine for the QUIC transport protocol. Prior to versions 0.9.5 and 0.10.5, receiving unknown QUIC frames in a QUIC packet could result in a panic. The problem has been fixed in 0.9.5 and 0.10.5 maintenance releases.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Quinn Project | Quinn | < 0.9.5 |
| Quinn Project | Quinn | >= 0.10.0, < 0.10.5 |
References
- https://github.com/quinn-rs/quinn/pull/1667Issue Tracking, Patch
- https://github.com/quinn-rs/quinn/pull/1668Issue Tracking, Patch
- https://github.com/quinn-rs/quinn/pull/1669Issue Tracking
- https://github.com/quinn-rs/quinn/pull/1667Issue Tracking, Patch
- https://github.com/quinn-rs/quinn/pull/1668Issue Tracking, Patch
- https://github.com/quinn-rs/quinn/pull/1669Issue Tracking
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-42805?
quinn-proto is a state machine for the QUIC transport protocol. Prior to versions 0.9.5 and 0.10.5, receiving unknown QUIC frames in a QUIC packet could result in a panic. The problem has been fixed in 0.9.5 and 0.10.5 maintenance releases.
How severe is CVE-2023-42805?
CVE-2023-42805 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.76% probability of exploitation in the next 30 days.
How do I fix CVE-2023-42805?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2023-42805?
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Scan your code nowSource: NVD / NIST