CVE-2017-15023

read_formatted_entries in dwarf2.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, does not properly validate the format count, 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.

• CWE-476

• http://www.securityfocus.com/bid/101611
• https://blogs.gentoo.org/ago/2017/10/03/binutils-null-pointer-dereference-in-concat_filename-dwarf2-c/Patch, Third Party Advisory, VDB Entry
• https://security.gentoo.org/glsa/201801-01
• https://sourceware.org/bugzilla/show_bug.cgi?id=22200Issue Tracking, Patch, Third Party Advisory
• https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=c361faae8d964db951b7100cada4dcdc983df1bf
• http://www.securityfocus.com/bid/101611
• https://blogs.gentoo.org/ago/2017/10/03/binutils-null-pointer-dereference-in-concat_filename-dwarf2-c/Patch, Third Party Advisory, VDB Entry
• https://security.gentoo.org/glsa/201801-01
• https://sourceware.org/bugzilla/show_bug.cgi?id=22200Issue Tracking, Patch, Third Party Advisory
• https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=c361faae8d964db951b7100cada4dcdc983df1bf

Published

Oct 5, 2017

Last Modified

Jun 17, 2026

Status

Modified

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