Advisory Published

USN-4003-1: Qt vulnerabilities

First published: Mon Jun 03 2019(Updated: )

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)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/libqt5core5a<5.11.1+dfsg-7ubuntu3.1
5.11.1+dfsg-7ubuntu3.1
=18.10
All of
ubuntu/libqt5gui5<5.11.1+dfsg-7ubuntu3.1
5.11.1+dfsg-7ubuntu3.1
=18.10
All of
ubuntu/libqt5core5a<5.9.5+dfsg-0ubuntu2.1
5.9.5+dfsg-0ubuntu2.1
=18.04
All of
ubuntu/libqt5gui5<5.9.5+dfsg-0ubuntu2.1
5.9.5+dfsg-0ubuntu2.1
=18.04
All of
ubuntu/libqt5core5a<5.5.1+dfsg-16ubuntu7.6
5.5.1+dfsg-16ubuntu7.6
=16.04
All of
ubuntu/libqt5gui5<5.5.1+dfsg-16ubuntu7.6
5.5.1+dfsg-16ubuntu7.6
=16.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID of this advisory?

    The vulnerability ID of this advisory is USN-4003-1.

  • What is the severity of USN-4003-1?

    The severity rating of USN-4003-1 has not been specified.

  • How does the vulnerability in Qt affect my system?

    The vulnerability in Qt can result in a denial of service or allow execution of arbitrary code.

  • Which version of Qt is affected by this vulnerability?

    Versions 5.11.1+dfsg-7ubuntu3.1, 5.9.5+dfsg-0ubuntu2.1, and 5.5.1+dfsg-16ubuntu7.6 of Qt are affected by this vulnerability.

  • How can I fix the vulnerability in Qt?

    To fix the vulnerability in Qt, you should update the libqt5core5a and libqt5gui5 packages to the specified remedy versions.

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