UBUNTU-CVE-2021-20273

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Source
https://ubuntu.com/security/CVE-2021-20273
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-20273.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-20273
Upstream
Downstream
Related
Published
2021-03-09T14:15:00Z
Modified
2025-07-18T16:46:36Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A flaw was found in privoxy before 3.0.32. A crash can occur via a crafted CGI request if Privoxy is toggled off.

References

Affected packages

Ubuntu:Pro:14.04:LTS / privoxy

Package

Name
privoxy
Purl
pkg:deb/ubuntu/privoxy@3.0.21-7+deb8u1ubuntu0.1~esm1?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.0.21-7+deb8u1ubuntu0.1~esm1

Affected versions

3.*

3.0.21-1
3.0.21-2
3.0.21-7+deb8u1build0.14.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "privoxy",
            "binary_version": "3.0.21-7+deb8u1ubuntu0.1~esm1"
        },
        {
            "binary_name": "privoxy-dbgsym",
            "binary_version": "3.0.21-7+deb8u1ubuntu0.1~esm1"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Ubuntu:16.04:LTS / privoxy

Package

Name
privoxy
Purl
pkg:deb/ubuntu/privoxy@3.0.24-1ubuntu0.1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.0.24-1ubuntu0.1

Affected versions

3.*

3.0.23-3
3.0.23-4
3.0.23-5
3.0.24-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "privoxy",
            "binary_version": "3.0.24-1ubuntu0.1"
        },
        {
            "binary_name": "privoxy-dbgsym",
            "binary_version": "3.0.24-1ubuntu0.1"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:18.04:LTS / privoxy

Package

Name
privoxy
Purl
pkg:deb/ubuntu/privoxy@3.0.26-5ubuntu0.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.0.26-5ubuntu0.1

Affected versions

3.*

3.0.26-3
3.0.26-4
3.0.26-5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "privoxy",
            "binary_version": "3.0.26-5ubuntu0.1"
        },
        {
            "binary_name": "privoxy-dbgsym",
            "binary_version": "3.0.26-5ubuntu0.1"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:20.04:LTS / privoxy

Package

Name
privoxy
Purl
pkg:deb/ubuntu/privoxy@3.0.28-2ubuntu0.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.0.28-2ubuntu0.1

Affected versions

3.*

3.0.28-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "privoxy",
            "binary_version": "3.0.28-2ubuntu0.1"
        },
        {
            "binary_name": "privoxy-dbgsym",
            "binary_version": "3.0.28-2ubuntu0.1"
        }
    ],
    "availability": "No subscription required"
}