CVE-2017-15020

Severity: high (CVSS 7.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.2% 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-125

Description

dwarf1.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, mishandles pointers, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted ELF file, related to parse_die and parse_line_table, as demonstrated by a parse_die heap-based buffer over-read.

Affected products

GNU Binutils: 2.29

References

https://blogs.gentoo.org/ago/2017/10/03/binutils-heap-based-buffer-overflow-in-parse_die-dwarf1-c/
https://sourceware.org/bugzilla/show_bug.cgi?id=22202
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=1da5c9a485f3dcac4c45e96ef4b7dae5948314b5
https://blogs.gentoo.org/ago/2017/10/03/binutils-heap-based-buffer-overflow-in-parse_die-dwarf1-c/
https://sourceware.org/bugzilla/show_bug.cgi?id=22202
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=1da5c9a485f3dcac4c45e96ef4b7dae5948314b5

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