CVE-2018-6543

Name: CVE-2018-6543
Creator: NVD / NIST
Published: 2018-02-02T09:29:00.647+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.33%

Last modified Jun 17, 2026

CVE-2018-6543 is a vulnerability of currently unknown severity. In GNU Binutils 2.30, there's an integer overflow in the function load_specific_debug_section() in objdump.c, which results in `malloc()` with 0 size. A crafted ELF file allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact.. EPSS estimates a 2.33% chance of exploitation in the next 30 days.

Description

In GNU Binutils 2.30, there's an integer overflow in the function load_specific_debug_section() in objdump.c, which results in `malloc()` with 0 size. A crafted ELF file allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact.

Metrics

EPSS Probability

2.33%

81.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-190

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/102985Third Party Advisory, VDB Entry
https://security.gentoo.org/glsa/201811-17Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=22769Exploit, Issue 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/102985Third Party Advisory, VDB Entry
https://security.gentoo.org/glsa/201811-17Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=22769Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Feb 2, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-6543?

How severe is CVE-2018-6543?

Severity scoring for CVE-2018-6543 is pending analysis. The EPSS model estimates a 2.33% probability of exploitation in the next 30 days.

How do I fix CVE-2018-6543?

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-2018-6543?

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

Scan your code now

Source: NVD / NIST