UBUNTU-CVE-2021-33477

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Source
https://ubuntu.com/security/CVE-2021-33477
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33477.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2021-33477
Upstream
Published
2021-05-20T20:15:00Z
Modified
2025-10-24T04:50:22Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

rxvt-unicode 9.22, rxvt 2.7.10, mrxvt 0.5.4, and Eterm 0.9.7 allow (potentially remote) code execution because of improper handling of certain escape sequences (ESC G Q). A response is terminated by a newline.

References

Affected packages

Ubuntu:16.04:LTS

eterm

Package

Name
eterm
Purl
pkg:deb/ubuntu/eterm@0.9.6-4?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.9.6-1
0.9.6-3
0.9.6-4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.9.6-4",
            "binary_name": "eterm"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33477.json"

mrxvt

Package

Name
mrxvt
Purl
pkg:deb/ubuntu/mrxvt@0.5.4-1.2?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.5.4-1.1
0.5.4-1.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.5.4-1.2",
            "binary_name": "mrxvt"
        },
        {
            "binary_version": "0.5.4-1.2",
            "binary_name": "mrxvt-cjk"
        },
        {
            "binary_version": "0.5.4-1.2",
            "binary_name": "mrxvt-common"
        },
        {
            "binary_version": "0.5.4-1.2",
            "binary_name": "mrxvt-mini"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33477.json"

rxvt

Package

Name
rxvt
Purl
pkg:deb/ubuntu/rxvt@1:2.7.10-6?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1:2.*

1:2.7.10-6

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:2.7.10-6",
            "binary_name": "rxvt"
        },
        {
            "binary_version": "1:2.7.10-6",
            "binary_name": "rxvt-ml"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33477.json"

rxvt-unicode

Package

Name
rxvt-unicode
Purl
pkg:deb/ubuntu/rxvt-unicode@9.21-1build1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

9.*

9.21-1
9.21-1build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "9.21-1build1",
            "binary_name": "rxvt-unicode"
        },
        {
            "binary_version": "9.21-1build1",
            "binary_name": "rxvt-unicode-256color"
        },
        {
            "binary_version": "9.21-1build1",
            "binary_name": "rxvt-unicode-lite"
        },
        {
            "binary_version": "9.21-1build1",
            "binary_name": "rxvt-unicode-ml"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33477.json"

Ubuntu:18.04:LTS

eterm

Package

Name
eterm
Purl
pkg:deb/ubuntu/eterm@0.9.6-5?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.9.6-5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.9.6-5",
            "binary_name": "eterm"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33477.json"

rxvt-unicode

Package

Name
rxvt-unicode
Purl
pkg:deb/ubuntu/rxvt-unicode@9.22-3?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

9.*

9.22-1build2
9.22-3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "9.22-3",
            "binary_name": "aterm"
        },
        {
            "binary_version": "9.22-3",
            "binary_name": "aterm-ml"
        },
        {
            "binary_version": "1:2.7.10-7.1+urxvt9.22-3",
            "binary_name": "rxvt"
        },
        {
            "binary_version": "1:2.7.10-7.1+urxvt9.22-3",
            "binary_name": "rxvt-ml"
        },
        {
            "binary_version": "9.22-3",
            "binary_name": "rxvt-unicode"
        },
        {
            "binary_version": "9.22-3",
            "binary_name": "rxvt-unicode-256color"
        },
        {
            "binary_version": "9.22-3",
            "binary_name": "rxvt-unicode-lite"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33477.json"

Ubuntu:20.04:LTS

eterm

Package

Name
eterm
Purl
pkg:deb/ubuntu/eterm@0.9.6-6build1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.9.6-6build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.9.6-6build1",
            "binary_name": "eterm"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33477.json"

rxvt-unicode

Package

Name
rxvt-unicode
Purl
pkg:deb/ubuntu/rxvt-unicode@9.22-6build3?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

9.*

9.22-6build1
9.22-6build2
9.22-6build3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "9.22-6build3",
            "binary_name": "aterm"
        },
        {
            "binary_version": "9.22-6build3",
            "binary_name": "aterm-ml"
        },
        {
            "binary_version": "1:2.7.10-7.1+urxvt9.22-6build3",
            "binary_name": "rxvt"
        },
        {
            "binary_version": "1:2.7.10-7.1+urxvt9.22-6build3",
            "binary_name": "rxvt-ml"
        },
        {
            "binary_version": "9.22-6build3",
            "binary_name": "rxvt-unicode"
        },
        {
            "binary_version": "9.22-6build3",
            "binary_name": "rxvt-unicode-256color"
        },
        {
            "binary_version": "9.22-6build3",
            "binary_name": "rxvt-unicode-lite"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33477.json"

Ubuntu:22.04:LTS

eterm

Package

Name
eterm
Purl
pkg:deb/ubuntu/eterm@0.9.6-6.1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.9.6-6.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.9.6-6.1",
            "binary_name": "eterm"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33477.json"

rxvt-unicode

Package

Name
rxvt-unicode
Purl
pkg:deb/ubuntu/rxvt-unicode@9.30-2build1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

9.*

9.22-11
9.26-2
9.30-1
9.30-2
9.30-2build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "9.30-2build1",
            "binary_name": "rxvt-unicode"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33477.json"