Bug#924610: libsdl2: Multiple security issues

[Moritz Muehlenhoff]

Source: libsdl2
Severity: grave
Tags: security

Hi,
a number of security issues were found in SDL, please see the following
links for references.

https://security-tracker.debian.org/tracker/CVE-2019-7638
https://security-tracker.debian.org/tracker/CVE-2019-7637
https://security-tracker.debian.org/tracker/CVE-2019-7636
https://security-tracker.debian.org/tracker/CVE-2019-7635
https://security-tracker.debian.org/tracker/CVE-2019-7578
https://security-tracker.debian.org/tracker/CVE-2019-7577
https://security-tracker.debian.org/tracker/CVE-2019-7576
https://security-tracker.debian.org/tracker/CVE-2019-7575
https://security-tracker.debian.org/tracker/CVE-2019-7574
https://security-tracker.debian.org/tracker/CVE-2019-7573
https://security-tracker.debian.org/tracker/CVE-2019-7572

Some bugs have links to upstream fixes, I think we can go ahead and
merge those. The others have proposed patches, but let's not rush
any upload and wait until these are properly reviewed/merged by
upstream.

Cheers,
        Moritz