CVE-2021-20214

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Source
https://nvd.nist.gov/vuln/detail/CVE-2021-20214
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-20214.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-20214
Downstream
Published
2021-03-25T19:15:13Z
Modified
2025-09-19T12:26:12.729709Z
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
Summary
[none]
Details

A flaw was found in Privoxy in versions before 3.0.29. Memory leaks in the client-tags CGI handler when client tags are configured and memory allocations fail can lead to a system crash.

References

Affected packages

Alpine:v3.12

privoxy

Package

Name
privoxy
Purl
pkg:apk/alpine/privoxy?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.0.29-r0

Affected versions

3.*

3.0.16-r0
3.0.16-r1
3.0.17-r0
3.0.17-r1
3.0.18-r0
3.0.19-r0
3.0.19-r1
3.0.21-r0
3.0.21-r1
3.0.21-r2
3.0.22-r0
3.0.23-r0
3.0.23-r1
3.0.24-r0
3.0.24-r1
3.0.24-r2
3.0.26-r0
3.0.28-r0

Alpine:v3.13

privoxy

Package

Name
privoxy
Purl
pkg:apk/alpine/privoxy?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.0.29-r0

Affected versions

3.*

3.0.16-r0
3.0.16-r1
3.0.17-r0
3.0.17-r1
3.0.18-r0
3.0.19-r0
3.0.19-r1
3.0.21-r0
3.0.21-r1
3.0.21-r2
3.0.22-r0
3.0.23-r0
3.0.23-r1
3.0.24-r0
3.0.24-r1
3.0.24-r2
3.0.26-r0
3.0.28-r0

Alpine:v3.14

privoxy

Package

Name
privoxy
Purl
pkg:apk/alpine/privoxy?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.0.29-r0

Affected versions

3.*

3.0.16-r0
3.0.16-r1
3.0.17-r0
3.0.17-r1
3.0.18-r0
3.0.19-r0
3.0.19-r1
3.0.21-r0
3.0.21-r1
3.0.21-r2
3.0.22-r0
3.0.23-r0
3.0.23-r1
3.0.24-r0
3.0.24-r1
3.0.24-r2
3.0.26-r0
3.0.28-r0

Alpine:v3.15

privoxy

Package

Name
privoxy
Purl
pkg:apk/alpine/privoxy?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.0.29-r0

Affected versions

3.*

3.0.16-r0
3.0.16-r1
3.0.17-r0
3.0.17-r1
3.0.18-r0
3.0.19-r0
3.0.19-r1
3.0.21-r0
3.0.21-r1
3.0.21-r2
3.0.22-r0
3.0.23-r0
3.0.23-r1
3.0.24-r0
3.0.24-r1
3.0.24-r2
3.0.26-r0
3.0.28-r0

Alpine:v3.16

privoxy

Package

Name
privoxy
Purl
pkg:apk/alpine/privoxy?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.0.29-r0

Affected versions

3.*

3.0.16-r0
3.0.16-r1
3.0.17-r0
3.0.17-r1
3.0.18-r0
3.0.19-r0
3.0.19-r1
3.0.21-r0
3.0.21-r1
3.0.21-r2
3.0.22-r0
3.0.23-r0
3.0.23-r1
3.0.24-r0
3.0.24-r1
3.0.24-r2
3.0.26-r0
3.0.28-r0

Alpine:v3.17

privoxy

Package

Name
privoxy
Purl
pkg:apk/alpine/privoxy?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.0.29-r0

Affected versions

3.*

3.0.16-r0
3.0.16-r1
3.0.17-r0
3.0.17-r1
3.0.18-r0
3.0.19-r0
3.0.19-r1
3.0.21-r0
3.0.21-r1
3.0.21-r2
3.0.22-r0
3.0.23-r0
3.0.23-r1
3.0.24-r0
3.0.24-r1
3.0.24-r2
3.0.26-r0
3.0.28-r0

Alpine:v3.18

privoxy

Package

Name
privoxy
Purl
pkg:apk/alpine/privoxy?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.0.29-r0

Affected versions

3.*

3.0.16-r0
3.0.16-r1
3.0.17-r0
3.0.17-r1
3.0.18-r0
3.0.19-r0
3.0.19-r1
3.0.21-r0
3.0.21-r1
3.0.21-r2
3.0.22-r0
3.0.23-r0
3.0.23-r1
3.0.24-r0
3.0.24-r1
3.0.24-r2
3.0.26-r0
3.0.28-r0

Alpine:v3.19

privoxy

Package

Name
privoxy
Purl
pkg:apk/alpine/privoxy?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.0.29-r0

Affected versions

3.*

3.0.16-r0
3.0.16-r1
3.0.17-r0
3.0.17-r1
3.0.18-r0
3.0.19-r0
3.0.19-r1
3.0.21-r0
3.0.21-r1
3.0.21-r2
3.0.22-r0
3.0.23-r0
3.0.23-r1
3.0.24-r0
3.0.24-r1
3.0.24-r2
3.0.26-r0
3.0.28-r0

Alpine:v3.20

privoxy

Package

Name
privoxy
Purl
pkg:apk/alpine/privoxy?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.0.29-r0

Affected versions

3.*

3.0.16-r0
3.0.16-r1
3.0.17-r0
3.0.17-r1
3.0.18-r0
3.0.19-r0
3.0.19-r1
3.0.21-r0
3.0.21-r1
3.0.21-r2
3.0.22-r0
3.0.23-r0
3.0.23-r1
3.0.24-r0
3.0.24-r1
3.0.24-r2
3.0.26-r0
3.0.28-r0

Alpine:v3.21

privoxy

Package

Name
privoxy
Purl
pkg:apk/alpine/privoxy?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.0.29-r0

Affected versions

3.*

3.0.16-r0
3.0.16-r1
3.0.17-r0
3.0.17-r1
3.0.18-r0
3.0.19-r0
3.0.19-r1
3.0.21-r0
3.0.21-r1
3.0.21-r2
3.0.22-r0
3.0.23-r0
3.0.23-r1
3.0.24-r0
3.0.24-r1
3.0.24-r2
3.0.26-r0
3.0.28-r0

Alpine:v3.22

privoxy

Package

Name
privoxy
Purl
pkg:apk/alpine/privoxy?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.0.29-r0

Affected versions

3.*

3.0.16-r0
3.0.16-r1
3.0.17-r0
3.0.17-r1
3.0.18-r0
3.0.19-r0
3.0.19-r1
3.0.21-r0
3.0.21-r1
3.0.21-r2
3.0.22-r0
3.0.23-r0
3.0.23-r1
3.0.24-r0
3.0.24-r1
3.0.24-r2
3.0.26-r0
3.0.28-r0