Several security issues were fixed in Qt.
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)
3 June 2019
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in Qt.
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)
The problem can be corrected by updating your system to the following package versions:
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.
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