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Test your applicationsUpgrade RHEL:7 wayland-doc to version 0:1.15.0-1.el7 or higher.
This issue was patched in RHSA-2018:3140.
Note: Versions mentioned in the description apply only to the upstream wayland-doc package and not the wayland-doc package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
There is a heap-based buffer over-read in the function ft_font_face_hash of gxps-fonts.c in libgxps through 0.3.0. A crafted input will lead to a remote denial of service attack.