Improper input validation in Quinn-rs Quinn

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.003 (48.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-42805?
CVE-2023-42805 is a high-severity vulnerability in Quinn-rs Quinn, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2023-09-21.
How severe is CVE-2023-42805?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-42805 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.