Moderate: qt security update

Synopsis

Moderate: qt security update

Type/Severity

Security Advisory: Moderate

Topic

An update for qt is now available for Red Hat Enterprise Linux 7.

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

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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

  • Red Hat Enterprise Linux Server 7 x86_64
  • Red Hat Enterprise Linux Workstation 7 x86_64
  • Red Hat Enterprise Linux Desktop 7 x86_64
  • Red Hat Enterprise Linux for IBM z Systems 7 s390x
  • Red Hat Enterprise Linux for Power, big endian 7 ppc64
  • Red Hat Enterprise Linux for Scientific Computing 7 x86_64
  • Red Hat Enterprise Linux for Power, little endian 7 ppc64le

Fixes

  • BZ - 1658996 - CVE-2018-19870 qt5-qtbase: QImage allocation failure in qgifhandler
  • BZ - 1658998 - CVE-2018-19873 qt5-qtbase: QBmpHandler segmentation fault on malformed BMP file
  • BZ - 1659000 - CVE-2018-15518 qt5-qtbase: Double free in QXmlStreamReader
  • BZ - 1661460 - CVE-2018-19869 qt5-qtsvg: Invalid parsing of malformed url reference resulting in a denial of service
  • BZ - 1661465 - CVE-2018-19871 qt5-qtimageformats: QTgaFile CPU exhaustion
  • BZ - 1691636 - CVE-2018-19872 qt: Malformed PPM image causing division by zero and crash in qppmhandler.cpp

CVEs

References