binutils: GNU Binutils Linker elflink.c bfd_elf_gc_record_vtentry out-of-bounds

A flaw was found in binutils. Processing a specially crafted object file with the ld linker can trigger an out-of-bounds read in the bfdelfgcrecordvtentry function in the bfd/elflink.c file due to a missing sanity check, causing a crash and resulting in a denial of service...