CVE-2018-6759

Name: CVE-2018-6759
Creator: NVD / NIST
Published: 2018-02-06T21:29:00.52+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.13%

Last modified Jun 17, 2026

CVE-2018-6759 is a vulnerability of currently unknown severity. The bfd_get_debug_link_info_1 function in opncls.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.30, has an unchecked strnlen operation. Remote attackers could leverage this vulnerability to cause a denial of service (segmentation fault) via a crafted ELF file.. EPSS estimates a 2.13% chance of exploitation in the next 30 days.

Description

The bfd_get_debug_link_info_1 function in opncls.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.30, has an unchecked strnlen operation. Remote attackers could leverage this vulnerability to cause a denial of service (segmentation fault) via a crafted ELF file.

Metrics

EPSS Probability

2.13%

79.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Gnu	Binutils	2.30

References

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
http://www.securityfocus.com/bid/103030Third Party Advisory, VDB Entry
https://security.gentoo.org/glsa/201811-17Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=22794Issue Tracking, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
http://www.securityfocus.com/bid/103030Third Party Advisory, VDB Entry
https://security.gentoo.org/glsa/201811-17Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=22794Issue Tracking, Third Party Advisory

Timeline

Published: Feb 6, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-6759?

How severe is CVE-2018-6759?

Severity scoring for CVE-2018-6759 is pending analysis. The EPSS model estimates a 2.13% probability of exploitation in the next 30 days.

How do I fix CVE-2018-6759?

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-2018-6759?

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

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Source: NVD / NIST