What’s Vulnerable › Vulnerabilities

CVE-2017-14940

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-09-30 · updated 2026-06-17
• Weakness: CWE-476

Description

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

Affected products

• GNU Binutils: 2.29

References

• https://blogs.gentoo.org/ago/2017/09/26/binutils-null-pointer-dereference-in-scan_unit_for_symbols-dwarf2-c/
• https://sourceware.org/bugzilla/show_bug.cgi?id=22166
• https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=0d76029f92182c3682d8be2c833d45bc9a2068fe
• https://blogs.gentoo.org/ago/2017/09/26/binutils-null-pointer-dereference-in-scan_unit_for_symbols-dwarf2-c/
• https://sourceware.org/bugzilla/show_bug.cgi?id=22166
• https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=0d76029f92182c3682d8be2c833d45bc9a2068fe

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