USN-4003-1: Qt vulnerabilities
qtbase-opensource-src vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary
Several security issues were fixed in Qt.
Software Description
- qtbase-opensource-src – Qt 5 libraries
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)
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 18.10
- libqt5core5a – 5.11.1+dfsg-7ubuntu3.1
- libqt5gui5 – 5.11.1+dfsg-7ubuntu3.1
- Ubuntu 18.04 LTS
- libqt5core5a – 5.9.5+dfsg-0ubuntu2.1
- libqt5gui5 – 5.9.5+dfsg-0ubuntu2.1
- Ubuntu 16.04 LTS
- libqt5core5a – 5.5.1+dfsg-16ubuntu7.6
- libqt5gui5 – 5.5.1+dfsg-16ubuntu7.6
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to restart yoursession to make all
the necessary changes.
References
Source: USN-4003-1: Qt vulnerabilities
