NULL Pointer Dereference Affecting zsh package, versions *


Severity

Recommended
0.0
critical
0
10

Snyk's Security Team recommends NVD's CVSS assessment. Learn more

Threat Intelligence

EPSS
2.54% (85th percentile)

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  • Snyk IDSNYK-DEBIAN8-ZSH-351985
  • published27 Feb 2018
  • disclosed27 Feb 2018

Introduced: 27 Feb 2018

CVE-2018-7548  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

There is no fixed version for Debian:8 zsh.

NVD Description

Note: Versions mentioned in the description apply only to the upstream zsh package and not the zsh package as distributed by Debian. See How to fix? for Debian:8 relevant fixed versions and status.

In subst.c in zsh through 5.4.2, there is a NULL pointer dereference when using ${(PA)...} on an empty array result.