Use After Free Affecting binutils package, versions <2.34-6ubuntu1.3


Severity

Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.18% (55th percentile)

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  • Snyk IDSNYK-UBUNTU2004-BINUTILS-1138115
  • published8 Jan 2021
  • disclosed9 Dec 2020

Introduced: 9 Dec 2020

CVE-2020-16592  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Ubuntu:20.04 binutils to version 2.34-6ubuntu1.3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream binutils package and not the binutils package as distributed by Ubuntu. See How to fix? for Ubuntu:20.04 relevant fixed versions and status.

A use after free issue exists in the Binary File Descriptor (BFD) library (aka libbfd) in GNU Binutils 2.34 in bfd_hash_lookup, as demonstrated in nm-new, that can cause a denial of service via a crafted file.

CVSS Scores

version 3.1