Siemens SIMATIC S7-1500 Out-of-bounds Write (CVE-2020-29573)

sysdeps/i386/ldbl2mpn.c in the GNU C Library aka glibc or libc6 before 2.23 on x86 targets has a stack-based buffer overflow if the input to any of the printf family of functions is an 80-bit long double with a non-canonical bit pattern, as seen when passing a...