CVE-2023-33285

qt: buffer over-read via a crafted reply from a DNS server

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Severity

Moderate

Red Hat Product Security

5.3

CVSS 3.1

Review impact separately from score.

Published · May 22, 2023

Updated · November 22, 2025

Description

A vulnerability was discovered in Qt. This security flaw occurs in the QDnsLookup function, which has a buffer over-read via a crafted reply from a DNS server.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CWE-400 · Uncontrolled Resource Consumption