Out-of-bounds Read in Qt

CVE-2023-33285

An issue was discovered in Qt 5.x before 5.15.14, 6.x before 6.2.9, and 6.3.x through 6.5.x before 6.5.1. QDnsLookup has a buffer over-read via a crafted reply from a DNS server.

Vulnerability class: Buffer Overflow

EPSS: 0.008 (53.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

  • Qt
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-33285?
CVE-2023-33285 is a medium-severity vulnerability in Qt, classified under Out-of-bounds Read. CVSS score: 5.3/10. Published 2023-05-22.
How severe is CVE-2023-33285?
Medium severity. CVSS v3 base score is 5.3 out of 10.