USN-5081-1: Qt vulnerabilities

16 September 2021

Several security issues were fixed in Qt.

Releases

Packages

Details

It was discovered that Qt incorrectly handled certain XBM image files. If a
user or automated system were tricked into opening a specially crafted PPM
file, a remote attacker could cause Qt to crash, resulting in a denial of
service. (CVE-2020-17507)

It was discovered that Qt incorrectly handled certain graphics operations.
If a user or automated system were tricked into performing certain graphics
operations, a remote attacker could cause Qt to crash, resulting in a
denial of service. (CVE-2021-38593)

Update instructions

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

Ubuntu 18.04

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