Security update for xorg-x11-server

This update for xorg-x11-server fixes the following issues:

- CVE-2020-25712: Fixed a heap-based buffer overflow which could have led to privilege escalation (bsc#1177596).
- CVE-2020-14360: Fixed an out of bounds memory accesses on too short request which could lead to denial of service (bsc#1174908).

This update was imported from the SUSE:SLE-15-SP2:Update update project.

Fixed bugs
VUL-0: EMBARGOED: CVE-2020-25712: xorg-x11-server: XkbSetDeviceInfo Heap-based Buffer Overflow Privilege Escalation (ZDI-CAN-11839)
VUL-0: EMBARGOED: CVE-2020-14360: xorg-x11-server: XkbSetMap Out-Of-Bounds Access Privilege Escalation Vulnerability (ZDI-CAN-11572)
Selected Binaries
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