Heap-based buffer overflow in the alloc_segs function in lib/dbm/src/hash.c in Mozilla Network Security Services (NSS) allows context-dependent attackers to have unspecified impact using a crafted cert8.db file.
https://security.gentoo.org/glsa/202003-37
http://www.securitytracker.com/id/1039153
http://www.securityfocus.com/bid/100345
http://packetstormsecurity.com/files/143735/NSS-Buffer-Overflows-Floating-Point-Exception.html