CVE Database›Document archive›CVE-2018-20651

CVE-2018-20651

binutils: NULL pointer dereference in elf_link_add_object_symbols function resulting in a denial of service

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Severity

Low

Red Hat Product Security

3.3

CVSS 3.0

Review impact separately from score.

Published · December 28, 2018

Updated · March 27, 2026

Description

A vulnerability was found in GNU Binutils, where a NULL pointer dereference in the elf_link_add_object_symbols function in elflink.c within libbfd can lead to a denial of service, an attacker could exploit this vulnerability to crash the application.

Statement

This vulnerability is rated as low severity because it allows an attacker to cause a denial of service through a NULL pointer dereference, this flaw would crash the application, but it does not affect system integrity or data confidentiality.

This issue did not affect the versions of binutils as shipped with Red Hat Enterprise Linux 5, 6, and 7 as they did not include the vulnerable code, which was introduced in a newer version of the package.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 3.3
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

CWE-476 · NULL Pointer Dereference