The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04: libsdl2-2.0-0 2.0.9+dfsg1-1ubuntu1.19.04.1 Ubuntu 18.04 LTS: libsdl2-2.0-0 2.0.8+dfsg1-1ubuntu1.18.04.4 Ubuntu 16.04 LTS: libsdl2-2.0-0 2.0.4+dfsg1-2ubuntu2.16.04.2 In general, a standard system update will make all the necessary changes.
https://ubuntu.com/security/notices/USN-4143-1
CVE-2017-2888, CVE-2019-7635, CVE-2019-7636, CVE-2019-7637,
CVE-2019-7638
https://launchpad.net/ubuntu/+source/libsdl2/2.0.9+dfsg1-1ubuntu1.19.04.1 https://launchpad.net/ubuntu/+source/libsdl2/2.0.8+dfsg1-1ubuntu1.18.04.4 https://launchpad.net/ubuntu/+source/libsdl2/2.0.4+dfsg1-2ubuntu2.16.04.2
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