7.5

CVE-2023-42805: quinn_project quinn Improper Input Validation

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2023-42805DEBIAN-CVE-2023-42805GHSA-q8wc-j5m9-27w3
Published 21-09-2023Last modified 24-09-2024

Vulnerability summary

CVE-2023-42805 is a high (CVSS 7.5) Improper Input Validation vulnerability in quinn_project quinn. EPSS estimates a 0.94% chance of exploitation in the next 30 days, higher than 60.2% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.94%
0%100%
Low · +0.18 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 21-09-2023
    PublishedVulnerability first disclosed.
  2. 24-09-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.94%

Chance of exploitation in the next 30 days

Percentile

60%

Versus all other CVEs

30-day change

+0.18 pp

From 0.76% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.94%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Crates.Io1 product
  • quinn-proto< 0.9.5 | ≥ 0.10.0-0, < 0.10.5
Debian1 product
  • rust-quinn-protoAll versions (No fix recorded) | < 0.10.5-2
Quinn_project1 product
  • quinn< 0.9.5 | ≥ 0.10.0, < 0.10.5
Quinn-rs1 product
  • quinn< 0.9.5 | ≥ 0.10.0, < 0.10.5
Ubuntu1 product
  • rust-quinn-protoAll versions (No fix recorded)

5 vendors · 5 products

References

11 links
Show all 11 references