CVE-2018-7549

In params.c in zsh through 5.4.2, there is a crash during a copy of an empty hash table, as demonstrated by typeset -p.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
mitreCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 50%
VendorProductVersion
zshzsh
𝑥
≤ 5.4.2
redhatenterprise_linux_desktop
7.0
redhatenterprise_linux_server
7.0
redhatenterprise_linux_workstation
7.0
canonicalubuntu_linux
14.04
canonicalubuntu_linux
16.04
canonicalubuntu_linux
17.10
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
zsh
bullseye (security)
5.8-6+deb11u1
fixed
bullseye
5.8-6+deb11u1
fixed
bookworm
5.9-4
fixed
sid
5.9-8
fixed
trixie
5.9-8
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
zsh
artful
Fixed 5.2-5ubuntu1.1
released
xenial
Fixed 5.1.1-1ubuntu2.1
released
trusty
Fixed 5.0.2-3ubuntu6.1
released