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CVE-2023-42805 — Denial of Service issue in quinn-proto — CVE Details

HIGH

Denial of Service issue in quinn-proto

Published September 21, 2023Updated September 10, 2026Source: osv

Summary

### Impact Receiving unknown QUIC frames in a QUIC packet could result in a panic. ### Patches The problem has been fixed in 0.9.5 and 0.10.5 maintenance releases. ### References Fixed in https://github.com/quinn-rs/quinn/pull/1667, backported in https://github.com/quinn-rs/quinn/pull/1668 and https://github.com/quinn-rs/quinn/pull/1669.

Advisory Timeline

  • First published September 21, 2023 (1117 days ago).
  • Last revised September 10, 2026 — 1084 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Cargo
Update quinn-proto to 0.9.5 or later
cargo update -p quinn-proto --precise 0.9.5

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: crates.io (1).

PackageEcosystemAffectedFixed In
quinn-proto
crates.io
All versions0.9.5

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-20
    Improper Input ValidationMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 7.5 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

References

Frequently Asked Questions

What is CVE-2023-42805?
Denial of Service issue in quinn-proto This vulnerability has been assigned a severity rating of HIGH (CVSS score: 7.5/10).
How do I check if my project is affected by CVE-2023-42805?
CVE-2023-42805 affects quinn-proto. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2023-42805 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
7.5

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-q8wc-j5m9-27w3
RUSTSEC-2023-0063

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