CVE-2018-20651

MEDIUM

GNU Binutils - NULL Pointer Dereference

Title source: rule

Description

A NULL pointer dereference was discovered in elf_link_add_object_symbols in elflink.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.31.1. This occurs for a crafted ET_DYN with no program headers. A specially crafted ELF file allows remote attackers to cause a denial of service, as demonstrated by ld.

References (8)

Scores

CVSS v3 5.5
EPSS 0.0076
EPSS Percentile 73.1%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Classification

CWE
CWE-476
Status published

Affected Products (1)

gnu/binutils

Timeline

Published Jan 01, 2019
Tracked Since Feb 18, 2026