CVE-2017-15023

Name: CVE-2017-15023
Creator: NVD / NIST
Published: 2017-10-05T01:29:06.227+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.07%

Last modified Jun 17, 2026

CVE-2017-15023 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.07% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

2.07%

79.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
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/Patch, Third Party Advisory, VDB Entry
https://security.gentoo.org/glsa/201801-01
https://sourceware.org/bugzilla/show_bug.cgi?id=22200Issue Tracking, Patch, Third Party Advisory
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/Patch, Third Party Advisory, VDB Entry
https://security.gentoo.org/glsa/201801-01
https://sourceware.org/bugzilla/show_bug.cgi?id=22200Issue Tracking, Patch, Third Party Advisory
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=c361faae8d964db951b7100cada4dcdc983df1bf

Timeline

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

Frequently Asked Questions

What is CVE-2017-15023?

How severe is CVE-2017-15023?

Severity scoring for CVE-2017-15023 is pending analysis. The EPSS model estimates a 2.07% probability of exploitation in the next 30 days.

How do I fix CVE-2017-15023?

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-2017-15023?

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

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Source: NVD / NIST