stdlib/canonicalize.c in the GNU C Library (aka glibc or libc6) 2.27 and earlier, when processing very long pathname arguments to the realpath function, could encounter an integer overflow on 32-bit architectures, leading to a stack-based buffer overflow and, potentially, arbitrary code execution.
www.securityfocus.com/bid/104255
access.redhat.com/errata/RHBA-2019:0327
access.redhat.com/errata/RHSA-2018:3092
security.netapp.com/advisory/ntap-20190329-0001/
security.netapp.com/advisory/ntap-20190401-0001/
sourceware.org/bugzilla/show_bug.cgi?id=22786
sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=5460617d1567657621107d895ee2dd83bc1f88f2
usn.ubuntu.com/4416-1/
www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html