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OpenAdvisories
Medium RLSA-2020:4690 5 CVEs

Moderate: qt5-qtbase and qt5-qtwebsockets security and bug fix update

Published Nov 3, 2020 · Updated Feb 5, 2026

Ecosystem: Rocky Linux

Summary

Qt is a software toolkit for developing applications. The qt5-base packages contain base tools for string, xml, and network handling in Qt.

Security Fix(es):

* qt: XML entity expansion vulnerability (CVE-2015-9541)

* qt5-qtwebsockets: websocket implementation allows only limited size for frames and messages therefore attacker can cause DOS (CVE-2018-21035)

* qt: files placed by attacker can influence the working directory and lead to malicious code execution (CVE-2020-0569)

* qt: files placed by attacker can influence the working directory and lead to malicious code execution (CVE-2020-0570)

* qt5: incorrectly calls SSL_shutdown() in OpenSSL mid-handshake causing denial of service in TLS applications (CVE-2020-13962)

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 Rocky Linux 8.3 Release Notes linked from the References section.

Fixed packages 1

ReleasePackageFixed in
Rocky Linux · 8 qt5-qtwebsockets 0:5.12.5-2.el8

Vulnerabilities 5

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1800600
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1800604
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1801369
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1810964
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1832857
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1849734