CVE-2017-15021

Name: CVE-2017-15021
Creator: NVD / NIST
Published: 2017-10-05T01:29:06.15+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.02%

Last modified Jun 17, 2026

CVE-2017-15021 is a vulnerability of currently unknown severity. bfd_get_debug_link_info_1 in opncls.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 (heap-based buffer over-read and application crash) via a crafted ELF file, related to bfd_getl32.. EPSS estimates a 2.02% chance of exploitation in the next 30 days.

Description

bfd_get_debug_link_info_1 in opncls.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 (heap-based buffer over-read and application crash) via a crafted ELF file, related to bfd_getl32.

Metrics

EPSS Probability

2.02%

78.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Gnu	Binutils	2.29

References

https://blogs.gentoo.org/ago/2017/10/03/binutils-heap-based-buffer-overflow-in-bfd_getl32-opncls-c/Patch, Third Party Advisory, VDB Entry
https://sourceware.org/bugzilla/show_bug.cgi?id=22197Issue Tracking, Patch, Third Party Advisory
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=52b36c51e5bf6d7600fdc6ba115b170b0e78e31d
https://blogs.gentoo.org/ago/2017/10/03/binutils-heap-based-buffer-overflow-in-bfd_getl32-opncls-c/Patch, Third Party Advisory, VDB Entry
https://sourceware.org/bugzilla/show_bug.cgi?id=22197Issue Tracking, Patch, Third Party Advisory
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=52b36c51e5bf6d7600fdc6ba115b170b0e78e31d

Timeline

Published: Oct 5, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-15021?

How severe is CVE-2017-15021?

Severity scoring for CVE-2017-15021 is pending analysis. The EPSS model estimates a 2.02% probability of exploitation in the next 30 days.

How do I fix CVE-2017-15021?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-15021?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST