The sdb_set_internal function in sdb.c in radare2 2.7.0 allows remote attackers to cause a denial of service (invalid read and application crash) via a crafted ELF file because of missing input validation in r_bin_dwarf_parse_comp_unit in libr/bin/dwarf.c.
https://github.com/radareorg/radare2/commit/d37d2b858ac47f2f108034be0bcecadaddfbc8b3