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From: Marc Deslauriers
Reply-To: Ubuntu Security
To: ubuntu-security-announce@lists.ubuntu.com
Message-ID:
Subject: [USN-4003-1] Qt vulnerabilities
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==========================================================================
Ubuntu Security Notice USN-4003-1
June 03, 2019
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
After a standard system update you need to restart yoursession to make all
the necessary changes.
References:
https://usn.ubuntu.com/usn/usn-4003-1
CVE-2018-15518, CVE-2018-19870, CVE-2018-19873
Package Information:
https://launchpad.net/ubuntu/+source/qtbase-opensource-src/5.11.1+dfsg-7ubuntu3.1
https://launchpad.net/ubuntu/+source/qtbase-opensource-src/5.9.5+dfsg-0ubuntu2.1
https://launchpad.net/ubuntu/+source/qtbase-opensource-src/5.5.1+dfsg-16ubuntu7.6
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