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debian/zshNull Pointer Dereference

Risk 86
Severity
9.8
Null Pointer Dereference
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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

1 / 2
Source: Launchpad
First published (updated )
CVE-2018-7548

redhat/zshInput Validation

Risk 43
Severity
7.5
Input Validation
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

A flaw was found in zsh prior 5.4.2. There is a crash when copying empty hash table with typeset -p.

Resources: https://sourceforge.net/p/zsh/code/ci/c2cc8b0fbefc9868fa83537f5b6d90fc1ec438dd

1 / 3
Source: Red Hat
First published (updated )
CVE-2018-7549

debian/zshBuffer Overflow

Risk 32
Severity
5.5
Buffer Overflow
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Last updated 25 August 2025

1 / 2
Source: Ubuntu
First published (updated )
CVE-2018-1071

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