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OpenAdvisories
Medium RLSA-2025:9486 1 CVE

Moderate: qt6-qtbase security update

Published Oct 3, 2025 · Updated Oct 3, 2025

Ecosystem: Rocky Linux

Summary

Qt is a software toolkit for developing applications. This package contains base tools, like string, xml, and network handling.

Security Fix(es):

* qt5: qt6: QtCore Assertion Failure Denial of Service (CVE-2025-5455)

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.

Fixed packages 1

ReleasePackageFixed in
Rocky Linux · 10 qt6-qtbase 0:6.8.1-9.el10_0

Vulnerabilities 1

  • High 8.4
    CVE-2025-5455

    Possible denial of service when passing malformed data in a URL to qDecodeDataUrl

    An issue was found in the private API function qDecodeDataUrl() in QtCore, which is used in QTextDocument and QNetworkReply, and, potentially, in user code. If the function was called with malformed data, for example, an URL that contained a "charset" paramet…

    Qt Project Qt qtbase-opensource-src qtbase-opensource-src Debian Ubuntu Azure Linux

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2369722