What’s Vulnerable › Vulnerabilities

CVE-2017-15023

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-10-05 · updated 2026-06-17
• Weakness: CWE-476

Description

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.

Affected products

• GNU Binutils: 2.29

References

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

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