1. Ubuntu Security Notices
  2. USN-4003-1

USN-4003-1: Qt vulnerabilities

Publication date

3 June 2019

Overview

Several security issues were fixed in Qt.

Releases

Packages

Details

It was discovered that Qt incorrectly handled certain XML documents. A
remote attacker could use this issue with a specially crafted XML document
to cause Qt to crash, resulting in a denial of service, or possibly execute
arbitrary code. (CVE-2018-15518)

It was discovered that Qt incorrectly handled certain GIF images. A remote
attacker could use this issue with a specially crafted GIF image to cause
Qt to crash, resulting in a denial of service, or possibly execute
arbitrary code. (CVE-2018-19870)

It was discovered that Qt incorrectly handled certain BMP images. A remote
attacker could use this issue with a specially crafted BMP image to cause
Qt to crash, resulting in a denial of service, or possibly execute
arbitrary code. (CVE-2018-19873)

It was discovered that Qt incorrectly handled certain XML documents. A
remote attacker could use this issue with a specially crafted XML document
to cause Qt to crash, resulting in a denial of service, or possibly execute
arbitrary code. (CVE-2018-15518)

It was discovered that Qt incorrectly handled certain GIF images. A remote
attacker could use this issue with a specially crafted GIF image to cause
Qt to crash, resulting in a denial of service, or possibly execute
arbitrary code. (CVE-2018-19870)

It was discovered that Qt incorrectly handled certain BMP images. A remote
attacker could use this issue with a specially crafted BMP image to cause
Qt to crash, resulting in a denial of service, or possibly execute
arbitrary code. (CVE-2018-19873)

Update instructions

After a standard system update you need to restart yoursession to make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
18.10 cosmic libqt5core5a –  5.11.1+dfsg-7ubuntu3.1
libqt5gui5 –  5.11.1+dfsg-7ubuntu3.1
18.04 bionic libqt5core5a –  5.9.5+dfsg-0ubuntu2.1
libqt5gui5 –  5.9.5+dfsg-0ubuntu2.1
16.04 xenial libqt5core5a –  5.5.1+dfsg-16ubuntu7.6
libqt5gui5 –  5.5.1+dfsg-16ubuntu7.6

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References

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