libX11: stack exhaustion from infinite recursion in PutSubImage()

A vulnerability was found in libX11 due to an infinite loop within the PutSubImage function. This flaw allows a local user to consume all available system resources and cause a denial of service condition...

ALPINE-CVE-2018-14600

An issue was discovered in libX11 through 1.6.5. The function XListExtensions in ListExt.c interprets a variable as signed instead of unsigned, resulting in an out-of-bounds write of up to 128 bytes, leading to DoS or remote code execution...