This update for glibc fixes the following issues: Security issue fixed: - CVE-2019-19126: Fixed to ignore the LD_PREFER_MAP_32BIT_EXEC environment variable during program execution after a security transition . Bug fixes: - Fixed z15 strstr implementation that can return incorrect results if search string cross page boundary . - Fixed Hardware support in toolchain . - Fixed syscalls during early process initialization . - Fixed an array overflow in backtrace for PowerPC . - Moved to posix_spawn on popen .