USN-8337-1: QtSvg vulnerabilities

Publication date

28 May 2026

Overview

Several security issues were fixed in QtSvg.


Packages

Details

It was discovered that QtSvg incorrectly handled certain SVG images. An
attacker could possibly use this issue to cause QtSvg to crash, resulting in
a denial of service. This issue only affected Ubuntu 16.04 LTS.
(CVE-2018-19869)

It was discovered that QtSvg incorrectly handled certain SVG images. An
attacker could use this issue to cause QtSvg to crash, resulting in a
denial of service, or possibly execute arbitrary code. This issue only
affected Ubuntu 16.04 LTS and Ubuntu 20.04 LTS. (CVE-2021-3481,
CVE-2021-28025, CVE-2021-45930)

It was discovered that QtSvg incorrectly handled certain SVG images. An
attacker could use this issue to cause QtSvg to crash, resulting in a
denial of service, or possibly execute arbitrary code. (CVE-2023-32573)

It was discovered that QtSvg incorrectly handled certain SVG images. An
attacker could possibly use this issue to cause QtSvg to crash, resulting in
a denial of service. This issue only affected Ubuntu 16.04 LTS.
(CVE-2018-19869)

It was discovered that QtSvg incorrectly handled certain SVG images. An
attacker could use this issue to cause QtSvg to crash, resulting in a
denial of service, or possibly execute arbitrary code. This issue only
affected Ubuntu 16.04 LTS and Ubuntu 20.04 LTS. (CVE-2021-3481,
CVE-2021-28025, CVE-2021-45930)

It was discovered that QtSvg incorrectly handled certain SVG images. An
attacker could use this issue to cause QtSvg to crash, resulting in a
denial of service, or possibly execute arbitrary code. (CVE-2023-32573)


Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
22.04 LTS jammy libqt5svg5 –  5.15.3-1ubuntu0.1~esm1  
20.04 LTS focal libqt5svg5 –  5.12.8-0ubuntu1+esm1  
18.04 LTS bionic libqt5svg5 –  5.9.5-0ubuntu1.1+esm1  
16.04 LTS xenial libqt5svg5 –  5.5.1-2ubuntu0.1~esm1  

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