UBUNTU-CVE-2018-1071

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Source
https://ubuntu.com/security/CVE-2018-1071
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-1071.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2018-1071
Upstream
Downstream
Related
Published
2018-03-09T00:00:00Z
Modified
2025-09-08T16:44:37Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • 5.5 (Medium) CVSS_V3 - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

zsh through version 5.4.2 is vulnerable to a stack-based buffer overflow in the exec.c:hashcmd() function. A local attacker could exploit this to cause a denial of service.

References

Affected packages

Ubuntu:14.04:LTS / zsh

Package

Name
zsh
Purl
pkg:deb/ubuntu/zsh@5.0.2-3ubuntu6.2?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.0.2-3ubuntu6.2

Affected versions

5.*

5.0.2-3ubuntu6
5.0.2-3ubuntu6.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "5.0.2-3ubuntu6.2",
            "binary_name": "zsh"
        },
        {
            "binary_version": "5.0.2-3ubuntu6.2",
            "binary_name": "zsh-beta"
        },
        {
            "binary_version": "5.0.2-3ubuntu6.2",
            "binary_name": "zsh-common"
        },
        {
            "binary_version": "5.0.2-3ubuntu6.2",
            "binary_name": "zsh-dev"
        },
        {
            "binary_version": "5.0.2-3ubuntu6.2",
            "binary_name": "zsh-static"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:16.04:LTS / zsh

Package

Name
zsh
Purl
pkg:deb/ubuntu/zsh@5.1.1-1ubuntu2.2?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.1.1-1ubuntu2.2

Affected versions

5.*

5.1.1-1ubuntu1
5.1.1-1ubuntu2
5.1.1-1ubuntu2.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "5.1.1-1ubuntu2.2",
            "binary_name": "zsh"
        },
        {
            "binary_version": "5.1.1-1ubuntu2.2",
            "binary_name": "zsh-common"
        },
        {
            "binary_version": "5.1.1-1ubuntu2.2",
            "binary_name": "zsh-dev"
        },
        {
            "binary_version": "5.1.1-1ubuntu2.2",
            "binary_name": "zsh-static"
        }
    ],
    "availability": "No subscription required"
}