CVE-2018-7548

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Source
https://cve.org/CVERecord?id=CVE-2018-7548
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-7548.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2018-7548
Downstream
Related
Published
2018-02-27T22:29:00.590Z
Modified
2026-03-20T11:26:26.065339Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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

References

Affected packages

Git / github.com/zsh-users/zsh

Affected ranges

Type
GIT
Repo
https://github.com/zsh-users/zsh
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
6ff4787e830f8edb3a7e32490a88a131e4b62f7f
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "5.4.2"
        }
    ]
}

Affected versions

5.*
5.1.1-test-2
5.3.1-test-2
5.4
5.4.1
Other
post-opt-arg
pre-func-move
pre-opt-arg
zsg-4.*
zsg-4.1.1-test-2
zsh-3.*
zsh-3.1.6-dev-21
zsh-3.1.6-dev-22
zsh-3.1.7
zsh-3.1.7-pre-2
zsh-3.1.7-pre-3
zsh-3.1.7-pre-4
zsh-3.1.7-prep-1
zsh-3.1.8
zsh-3.1.9
zsh-3.1.9-dev-1
zsh-3.1.9-dev-2
zsh-3.1.9-dev-3
zsh-3.1.9-dev-4
zsh-3.1.9-dev-5
zsh-3.1.9-dev-6
zsh-3.1.9-dev-7
zsh-3.1.9-dev-8
zsh-4.*
zsh-4.0.1
zsh-4.0.1-pre-1
zsh-4.0.1-pre-3
zsh-4.0.1-pre-4
zsh-4.0.1-pre-5
zsh-4.0.2-pre-2
zsh-4.1.0-dev-1
zsh-4.1.0-dev-2
zsh-4.1.0-dev-3
zsh-4.1.0-dev-4
zsh-4.1.0-dev-5
zsh-4.1.0-dev-7
zsh-4.1.1
zsh-4.1.1-test-1
zsh-4.1.1-test-3
zsh-4.2.0
zsh-4.2.0-pre-1
zsh-4.2.0-pre-2
zsh-4.2.0-pre-3
zsh-4.2.0-pre-4
zsh-4.2.1
zsh-4.2.1-test-A
zsh-4.2.2
zsh-4.2.3
zsh-4.3.0-dev-3
zsh-4.3.0-dev-4
zsh-4.3.0-dev-5
zsh-4.3.1
zsh-4.3.10
zsh-4.3.10-dev-2
zsh-4.3.10-test-3
zsh-4.3.11
zsh-4.3.11-dev-4
zsh-4.3.12
zsh-4.3.12-test-3
zsh-4.3.13
zsh-4.3.14
zsh-4.3.15
zsh-4.3.16
zsh-4.3.17
zsh-4.3.17-test-2
zsh-4.3.2
zsh-4.3.3
zsh-4.3.4
zsh-4.3.4-dev-2
zsh-4.3.4-dev-4
zsh-4.3.4-dev-5
zsh-4.3.4-dev-6
zsh-4.3.4-dev-7
zsh-4.3.4-dev-8
zsh-4.3.5
zsh-4.3.5-dev-1
zsh-4.3.5-dev-2
zsh-4.3.5-dev-3
zsh-4.3.5-dev-4
zsh-4.3.6
zsh-4.3.6-dev-1
zsh-4.3.6-dev-2
zsh-4.3.7
zsh-4.3.8
zsh-4.3.9
zsh-4.3.9-dev-3
zsh-4.3.9-dev-5
zsh-5.*
zsh-5.0.0
zsh-5.0.0-test-1
zsh-5.0.1
zsh-5.0.2
zsh-5.0.2-test-1
zsh-5.0.2-test-2
zsh-5.0.2-test-3
zsh-5.0.3
zsh-5.0.3-test-1
zsh-5.0.3-test-2
zsh-5.0.4
zsh-5.0.5
zsh-5.0.5-dev-1
zsh-5.0.5-dev-2
zsh-5.0.5-dev-3
zsh-5.0.6
zsh-5.0.6-dev-1
zsh-5.0.7
zsh-5.0.7-dev-2
zsh-5.0.7-dev-4
zsh-5.0.8
zsh-5.0.8-test-2
zsh-5.0.8-test-3
zsh-5.1
zsh-5.1-test-1
zsh-5.1.1
zsh-5.1.1-test-1
zsh-5.1.1-test-2
zsh-5.1.1-test-3
zsh-5.2
zsh-5.2-test-1
zsh-5.2-test-2
zsh-5.2-test-3
zsh-5.3
zsh-5.3.1
zsh-5.4
zsh-5.4.1
zsh-5.4.2

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-7548.json"
unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "17.10"
            }
        ]
    }
]