CVSS 3.1 Score 7.5 of 10 (high)


Published Sep 21, 2023
Updated: Sep 25, 2023


CVE-2023-42805 is a vulnerability in the quinn-proto state machine for the QUIC transport protocol. Versions prior to 0.9.5 and 0.10.5 are affected, where receiving unknown QUIC frames in a QUIC packet could lead to a panic. The vulnerability has been patched in the 0.9.5 and 0.10.5 maintenance releases. This vulnerability has a base severity rating of HIGH, with a base score of 7.5 according to NIST's National Vulnerability Database (NVD). It requires no privileges or user interaction and can be exploited over the network, potentially impacting the availability of the affected systems. Organizations using the affected versions of quinn-proto should update to the fixed versions to mitigate this vulnerability (source: NVD).

Explore Beyond the CVE Basics with Recorded Future's Vulnerability Intelligence

Note: This is just a basic overview providing quick insights into CVE-2023-42805 information. Gain full access to comprehensive CVE data, risk scores, prioritization, and mitigation data through Recorded Future's Vulnerability Intelligence:
  • Prioritize with Risk-Based Scoring
  • Explore the Extensive Vulnerability Database
  • Receive Early Alerts on Emerging CVEs
  • Focus on Critical Exploitable Vulnerabilities
  • Streamline Remediation with Integration Options