(RHSA-2020:1172) Moderate: qt security update

The qt packages contain a software toolkit that simplifies the task of writing and maintaining Graphical User Interface (GUI) applications for the X Window System.

Security Fix(es):

• qt5-qtbase: Double free in QXmlStreamReader (CVE-2018-15518)

• qt: Malformed PPM image causing division by zero and crash in qppmhandler.cpp (CVE-2018-19872)

• qt5-qtsvg: Invalid parsing of malformed url reference resulting in a denial of service (CVE-2018-19869)

• qt5-qtbase: QImage allocation failure in qgifhandler (CVE-2018-19870)

• qt5-qtimageformats: QTgaFile CPU exhaustion (CVE-2018-19871)

• qt5-qtbase: QBmpHandler segmentation fault on malformed BMP file (CVE-2018-19873)

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 7.8 Release Notes linked from the References section.