In radare2 2.0.1, an integer exception (negative number leading to an invalid memory access) exists in store_versioninfo_gnu_verdef() in libr/bin/format/elf/elf.c via crafted ELF files when parsing the ELF version on 32bit systems.
https://github.com/radare/radare2/commit/44ded3ff35b8264f54b5a900cab32ec489d9e5b9