UBUNTU-CVE-2021-27135

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Source
https://ubuntu.com/security/CVE-2021-27135
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-27135.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-27135
Upstream
Downstream
Related
Published
2021-02-10T16:15:00Z
Modified
2025-09-08T16:47:02Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

xterm before Patch #366 allows remote attackers to execute arbitrary code or cause a denial of service (segmentation fault) via a crafted UTF-8 combining character sequence.

References

Affected packages

Ubuntu:16.04:LTS / xterm

Package

Name
xterm
Purl
pkg:deb/ubuntu/xterm@322-1ubuntu1.2?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
322-1ubuntu1.2

Affected versions

Other

318-2ubuntu1
318-2ubuntu2
322-1ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "322-1ubuntu1.2",
            "binary_name": "xterm"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:18.04:LTS / xterm

Package

Name
xterm
Purl
pkg:deb/ubuntu/xterm@330-1ubuntu2.2?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
330-1ubuntu2.2

Affected versions

Other

324-2ubuntu1
330-1ubuntu1
330-1ubuntu2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "330-1ubuntu2.2",
            "binary_name": "xterm"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:20.04:LTS / xterm

Package

Name
xterm
Purl
pkg:deb/ubuntu/xterm@353-1ubuntu1.20.04.2?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
353-1ubuntu1.20.04.2

Affected versions

Other

348-2ubuntu1
353-1ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "353-1ubuntu1.20.04.2",
            "binary_name": "xterm"
        }
    ],
    "availability": "No subscription required"
}