Use After Free Affecting bash package, versions [,4.4)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-UNMANAGED-BASH-2368337
  • published26 Jan 2022
  • disclosed23 Jan 2017
  • creditUnknown

Introduced: 23 Jan 2017

CVE-2016-9401  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade bash to version 4.4 or higher.

Overview

Affected versions of this package are vulnerable to Use After Free popd in bash might allow local users to bypass the restricted shell and cause a use-after-free via a crafted address.

CVSS Scores

version 3.1