Moderate: qt5-qtbase security and bug fix update

Synopsis

Moderate: qt5-qtbase security and bug fix update

Type/Severity

Security Advisory: Moderate

Topic

An update for qt5-qtbase is now available for Red Hat Enterprise Linux 8.

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. The qt5-base packages contain base tools for string, xml, and network handling in Qt.

Security Fix(es):

• qt5-qtbase: Double free in QXmlStreamReader (CVE-2018-15518)
  
• qt5-qtbase: QImage allocation failure in qgifhandler (CVE-2018-19870)
  
• 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 8.1 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 for x86_64 8 x86_64
• Red Hat Enterprise Linux for IBM z Systems 8 s390x
• Red Hat Enterprise Linux for Power, little endian 8 ppc64le
• Red Hat Enterprise Linux for ARM 64 8 aarch64
• Red Hat CodeReady Linux Builder for x86_64 8 x86_64
• Red Hat CodeReady Linux Builder for Power, little endian 8 ppc64le
• Red Hat CodeReady Linux Builder for ARM 64 8 aarch64
• Red Hat CodeReady Linux Builder for IBM z Systems 8 s390x

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 - 1692970 - libQt5EglFSDeviceIntegration.so.5 is in the wrong subpackage
• BZ - 1709949 - Rebuild qt5-qttools for LLVM-8

CVEs

• CVE-2018-15518
• CVE-2018-19870
• CVE-2018-19873

References

• https://access.redhat.com/security/updates/classification/#moderate
• https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.1_release_notes/