RHSA-2023:6369 — Security Advisory
Red Hat Security Advisory: qt5 security and bug fix update
Severity
ModerateRed Hat Product Security
Products
Official CSAF product identity
Published · November 7, 2023
Updated · June 25, 2026
Topic
An update for the qt5 stack is now available for Red Hat Enterprise Linux 9.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
Qt is a software toolkit for developing applications.
Security Fix(es):
-
qt: buffer over-read via a crafted reply from a DNS server (CVE-2023-33285)
-
qt: allows remote attacker to bypass security restrictions caused by flaw in certificate validation (CVE-2023-34410)
-
qtbase: buffer overflow in QXmlStreamReader (CVE-2023-37369)
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qtbase: infinite loops in QXmlStreamReader (CVE-2023-38197)
-
qt: Uninitialized variable usage in m_unitsPerEm (CVE-2023-32573)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.3 Release Notes linked from the References section.