NULL pointer dereference vulnerability in dwarf2.c in the Binary File Descriptor (BFD) library (aka libbfd) in GNU Binutils 2.29 allows remote attackers to cause a denial of service via a crafted ELF file.

CVE-2017-15939 · MEDIUM Severity

AV:N/AC:M/AU:N/C:N/I:N/A:P

dwarf2.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, mishandles NULL files in a .debug_line file table, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted ELF file, related to concat_filename. NOTE: this issue is caused by an incomplete fix for CVE-2017-15023.

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