CVE-2018-7549

medium
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
5.5

Description

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.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2018-7549

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2018-7549.html

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201804-7

OS impact

OSVersionStatusFixed in
arch archfixed5.5-1
suse slesaffected
debian debianbookwormfixed5.5-1
debian debianbullseyefixed5.5-1
debian debianforkyfixed5.5-1
debian debiansidfixed5.5-1
debian debiantrixiefixed5.5-1

References

Verify integrity in audit chain (admin only). AS-IS.