What’s Vulnerable › Vulnerabilities

CVE-2017-14939

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 5.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-09-30 · updated 2026-06-17
• Weakness: CWE-125

Description

decode_line_info in dwarf2.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, mishandles a length calculation, which allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted ELF file, related to read_1_byte.

Affected products

• GNU Binutils: 2.29

References

• http://www.securityfocus.com/bid/101216
• https://blogs.gentoo.org/ago/2017/09/26/binutils-heap-based-buffer-overflow-in-read_1_byte-dwarf2-c/
• https://sourceware.org/bugzilla/show_bug.cgi?id=22169
• https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=515f23e63c0074ab531bc954f84ca40c6281a724
• https://www.exploit-db.com/exploits/42970/
• http://www.securityfocus.com/bid/101216
• https://blogs.gentoo.org/ago/2017/09/26/binutils-heap-based-buffer-overflow-in-read_1_byte-dwarf2-c/
• https://sourceware.org/bugzilla/show_bug.cgi?id=22169
• https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=515f23e63c0074ab531bc954f84ca40c6281a724
• https://www.exploit-db.com/exploits/42970/

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