CVE-2018-20651

Medium

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.

SeverityMedium

CVSS5.5

Exploit probability—

Product

Gnu Binutils

PublishedJan 1, 2019

First seenJan 1, 2019

How to fix

Vendor advisories

security.gentoo.org/glsa/201908-01
usn.ubuntu.com/4336-1/

Affected products

Product	Affected versions	Fixed in
gnu binutils	2.31.1	—

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