See Yocto Project bug 8980 glibc bug 18985 The bug appears to affect back to glibc 2.19. Passing out of range data to strftime() causes a segfault https://sourceware.org/bugzilla/show_bug.cgi?id=18985 Out-of-range time values passed to the strftime function may cause it to crash, leading to a denial of service, or potentially disclosure information.