CVE-2020-8492

Source
https://nvd.nist.gov/vuln/detail/CVE-2020-8492
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-8492.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-8492
Aliases
Related
Published
2020-01-30T19:15:12Z
Modified
2024-08-01T09:20:51.731546Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

Python 2.7 through 2.7.17, 3.5 through 3.5.9, 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1 allows an HTTP server to conduct Regular Expression Denial of Service (ReDoS) attacks against a client because of urllib.request.AbstractBasicAuthHandler catastrophic backtracking.

References

Affected packages

Alpine:v3.10 / python3

Package

Name
python3
Purl
pkg:apk/alpine/python3?arch=source

Affected ranges

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

Affected versions

3.*

3.1.3-r0
3.2.0-r0
3.2.3-r0
3.3.0-r0
3.3.2-r0
3.3.3-r0
3.3.4-r0
3.4.1-r0
3.4.2-r0
3.4.2-r1
3.4.3-r1
3.4.3-r2
3.5.0-r0
3.5.1-r0
3.5.1-r1
3.5.1-r2
3.5.1-r3
3.5.2-r0
3.5.2-r1
3.5.2-r2
3.5.2-r3
3.5.2-r4
3.5.2-r5
3.5.2-r6
3.5.2-r7
3.5.2-r8
3.5.2-r9
3.5.2-r10
3.6.0-r0
3.6.1-r0
3.6.1-r1
3.6.1-r2
3.6.1-r3
3.6.1-r4
3.6.2-r0
3.6.2-r1
3.6.2-r2
3.6.2-r3
3.6.3-r3
3.6.3-r4
3.6.3-r5
3.6.3-r6
3.6.3-r7
3.6.3-r8
3.6.3-r9
3.6.4-r0
3.6.4-r1
3.6.6-r0
3.6.6-r1
3.6.6-r2
3.6.6-r3
3.6.7-r0
3.6.8-r0
3.6.8-r1
3.6.8-r2
3.7.2-r0
3.7.3-r0
3.7.4-r0
3.7.5-r0
3.7.5-r1

Alpine:v3.11 / python3

Package

Name
python3
Purl
pkg:apk/alpine/python3?arch=source

Affected ranges

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

Affected versions

3.*

3.1.3-r0
3.2.0-r0
3.2.3-r0
3.3.0-r0
3.3.2-r0
3.3.3-r0
3.3.4-r0
3.4.1-r0
3.4.2-r0
3.4.2-r1
3.4.3-r1
3.4.3-r2
3.5.0-r0
3.5.1-r0
3.5.1-r1
3.5.1-r2
3.5.1-r3
3.5.2-r0
3.5.2-r1
3.5.2-r2
3.5.2-r3
3.5.2-r4
3.5.2-r5
3.5.2-r6
3.5.2-r7
3.5.2-r8
3.5.2-r9
3.5.2-r10
3.6.0-r0
3.6.1-r0
3.6.1-r1
3.6.1-r2
3.6.1-r3
3.6.1-r4
3.6.2-r0
3.6.2-r1
3.6.2-r2
3.6.2-r3
3.6.3-r3
3.6.3-r4
3.6.3-r5
3.6.3-r6
3.6.3-r7
3.6.3-r8
3.6.3-r9
3.6.4-r0
3.6.4-r1
3.6.6-r0
3.6.6-r1
3.6.6-r2
3.6.6-r3
3.6.7-r0
3.6.8-r0
3.6.8-r1
3.6.8-r2
3.7.2-r0
3.7.3-r0
3.7.3-r1
3.7.4-r0
3.7.5-r0
3.7.5-r1
3.8.0-r0
3.8.1-r0

Alpine:v3.12 / python3

Package

Name
python3
Purl
pkg:apk/alpine/python3?arch=source

Affected ranges

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

Affected versions

3.*

3.1.3-r0
3.2.0-r0
3.2.3-r0
3.3.0-r0
3.3.2-r0
3.3.3-r0
3.3.4-r0
3.4.1-r0
3.4.2-r0
3.4.2-r1
3.4.3-r1
3.4.3-r2
3.5.0-r0
3.5.1-r0
3.5.1-r1
3.5.1-r2
3.5.1-r3
3.5.2-r0
3.5.2-r1
3.5.2-r2
3.5.2-r3
3.5.2-r4
3.5.2-r5
3.5.2-r6
3.5.2-r7
3.5.2-r8
3.5.2-r9
3.5.2-r10
3.6.0-r0
3.6.1-r0
3.6.1-r1
3.6.1-r2
3.6.1-r3
3.6.1-r4
3.6.2-r0
3.6.2-r1
3.6.2-r2
3.6.2-r3
3.6.3-r3
3.6.3-r4
3.6.3-r5
3.6.3-r6
3.6.3-r7
3.6.3-r8
3.6.3-r9
3.6.4-r0
3.6.4-r1
3.6.6-r0
3.6.6-r1
3.6.6-r2
3.6.6-r3
3.6.7-r0
3.6.8-r0
3.6.8-r1
3.6.8-r2
3.7.2-r0
3.7.3-r0
3.7.3-r1
3.7.4-r0
3.7.5-r0
3.7.5-r1
3.8.0-r0
3.8.1-r0
3.8.1-r1
3.8.1-r2
3.8.1-r3

Alpine:v3.13 / python3

Package

Name
python3
Purl
pkg:apk/alpine/python3?arch=source

Affected ranges

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

Affected versions

3.*

3.1.3-r0
3.2.0-r0
3.2.3-r0
3.3.0-r0
3.3.2-r0
3.3.3-r0
3.3.4-r0
3.4.1-r0
3.4.2-r0
3.4.2-r1
3.4.3-r1
3.4.3-r2
3.5.0-r0
3.5.1-r0
3.5.1-r1
3.5.1-r2
3.5.1-r3
3.5.2-r0
3.5.2-r1
3.5.2-r2
3.5.2-r3
3.5.2-r4
3.5.2-r5
3.5.2-r6
3.5.2-r7
3.5.2-r8
3.5.2-r9
3.5.2-r10
3.6.0-r0
3.6.1-r0
3.6.1-r1
3.6.1-r2
3.6.1-r3
3.6.1-r4
3.6.2-r0
3.6.2-r1
3.6.2-r2
3.6.2-r3
3.6.3-r3
3.6.3-r4
3.6.3-r5
3.6.3-r6
3.6.3-r7
3.6.3-r8
3.6.3-r9
3.6.4-r0
3.6.4-r1
3.6.6-r0
3.6.6-r1
3.6.6-r2
3.6.6-r3
3.6.7-r0
3.6.8-r0
3.6.8-r1
3.6.8-r2
3.7.2-r0
3.7.3-r0
3.7.3-r1
3.7.4-r0
3.7.5-r0
3.7.5-r1
3.8.0-r0
3.8.1-r0
3.8.1-r1
3.8.1-r2
3.8.1-r3

Alpine:v3.14 / python3

Package

Name
python3
Purl
pkg:apk/alpine/python3?arch=source

Affected ranges

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

Affected versions

3.*

3.1.3-r0
3.2.0-r0
3.2.3-r0
3.3.0-r0
3.3.2-r0
3.3.3-r0
3.3.4-r0
3.4.1-r0
3.4.2-r0
3.4.2-r1
3.4.3-r1
3.4.3-r2
3.5.0-r0
3.5.1-r0
3.5.1-r1
3.5.1-r2
3.5.1-r3
3.5.2-r0
3.5.2-r1
3.5.2-r2
3.5.2-r3
3.5.2-r4
3.5.2-r5
3.5.2-r6
3.5.2-r7
3.5.2-r8
3.5.2-r9
3.5.2-r10
3.6.0-r0
3.6.1-r0
3.6.1-r1
3.6.1-r2
3.6.1-r3
3.6.1-r4
3.6.2-r0
3.6.2-r1
3.6.2-r2
3.6.2-r3
3.6.3-r3
3.6.3-r4
3.6.3-r5
3.6.3-r6
3.6.3-r7
3.6.3-r8
3.6.3-r9
3.6.4-r0
3.6.4-r1
3.6.6-r0
3.6.6-r1
3.6.6-r2
3.6.6-r3
3.6.7-r0
3.6.8-r0
3.6.8-r1
3.6.8-r2
3.7.2-r0
3.7.3-r0
3.7.3-r1
3.7.4-r0
3.7.5-r0
3.7.5-r1
3.8.0-r0
3.8.1-r0
3.8.1-r1
3.8.1-r2
3.8.1-r3

Alpine:v3.15 / python3

Package

Name
python3
Purl
pkg:apk/alpine/python3?arch=source

Affected ranges

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

Affected versions

3.*

3.1.3-r0
3.2.0-r0
3.2.3-r0
3.3.0-r0
3.3.2-r0
3.3.3-r0
3.3.4-r0
3.4.1-r0
3.4.2-r0
3.4.2-r1
3.4.3-r1
3.4.3-r2
3.5.0-r0
3.5.1-r0
3.5.1-r1
3.5.1-r2
3.5.1-r3
3.5.2-r0
3.5.2-r1
3.5.2-r2
3.5.2-r3
3.5.2-r4
3.5.2-r5
3.5.2-r6
3.5.2-r7
3.5.2-r8
3.5.2-r9
3.5.2-r10
3.6.0-r0
3.6.1-r0
3.6.1-r1
3.6.1-r2
3.6.1-r3
3.6.1-r4
3.6.2-r0
3.6.2-r1
3.6.2-r2
3.6.2-r3
3.6.3-r3
3.6.3-r4
3.6.3-r5
3.6.3-r6
3.6.3-r7
3.6.3-r8
3.6.3-r9
3.6.4-r0
3.6.4-r1
3.6.6-r0
3.6.6-r1
3.6.6-r2
3.6.6-r3
3.6.7-r0
3.6.8-r0
3.6.8-r1
3.6.8-r2
3.7.2-r0
3.7.3-r0
3.7.3-r1
3.7.4-r0
3.7.5-r0
3.7.5-r1
3.8.0-r0
3.8.1-r0
3.8.1-r1
3.8.1-r2
3.8.1-r3

Alpine:v3.16 / python3

Package

Name
python3
Purl
pkg:apk/alpine/python3?arch=source

Affected ranges

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

Affected versions

3.*

3.1.3-r0
3.2.0-r0
3.2.3-r0
3.3.0-r0
3.3.2-r0
3.3.3-r0
3.3.4-r0
3.4.1-r0
3.4.2-r0
3.4.2-r1
3.4.3-r1
3.4.3-r2
3.5.0-r0
3.5.1-r0
3.5.1-r1
3.5.1-r2
3.5.1-r3
3.5.2-r0
3.5.2-r1
3.5.2-r2
3.5.2-r3
3.5.2-r4
3.5.2-r5
3.5.2-r6
3.5.2-r7
3.5.2-r8
3.5.2-r9
3.5.2-r10
3.6.0-r0
3.6.1-r0
3.6.1-r1
3.6.1-r2
3.6.1-r3
3.6.1-r4
3.6.2-r0
3.6.2-r1
3.6.2-r2
3.6.2-r3
3.6.3-r3
3.6.3-r4
3.6.3-r5
3.6.3-r6
3.6.3-r7
3.6.3-r8
3.6.3-r9
3.6.4-r0
3.6.4-r1
3.6.6-r0
3.6.6-r1
3.6.6-r2
3.6.6-r3
3.6.7-r0
3.6.8-r0
3.6.8-r1
3.6.8-r2
3.7.2-r0
3.7.3-r0
3.7.3-r1
3.7.4-r0
3.7.5-r0
3.7.5-r1
3.8.0-r0
3.8.1-r0
3.8.1-r1
3.8.1-r2
3.8.1-r3

Alpine:v3.17 / python3

Package

Name
python3
Purl
pkg:apk/alpine/python3?arch=source

Affected ranges

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

Affected versions

3.*

3.1.3-r0
3.2.0-r0
3.2.3-r0
3.3.0-r0
3.3.2-r0
3.3.3-r0
3.3.4-r0
3.4.1-r0
3.4.2-r0
3.4.2-r1
3.4.3-r1
3.4.3-r2
3.5.0-r0
3.5.1-r0
3.5.1-r1
3.5.1-r2
3.5.1-r3
3.5.2-r0
3.5.2-r1
3.5.2-r2
3.5.2-r3
3.5.2-r4
3.5.2-r5
3.5.2-r6
3.5.2-r7
3.5.2-r8
3.5.2-r9
3.5.2-r10
3.6.0-r0
3.6.1-r0
3.6.1-r1
3.6.1-r2
3.6.1-r3
3.6.1-r4
3.6.2-r0
3.6.2-r1
3.6.2-r2
3.6.2-r3
3.6.3-r3
3.6.3-r4
3.6.3-r5
3.6.3-r6
3.6.3-r7
3.6.3-r8
3.6.3-r9
3.6.4-r0
3.6.4-r1
3.6.6-r0
3.6.6-r1
3.6.6-r2
3.6.6-r3
3.6.7-r0
3.6.8-r0
3.6.8-r1
3.6.8-r2
3.7.2-r0
3.7.3-r0
3.7.3-r1
3.7.4-r0
3.7.5-r0
3.7.5-r1
3.8.0-r0
3.8.1-r0
3.8.1-r1
3.8.1-r2
3.8.1-r3

Alpine:v3.18 / python3

Package

Name
python3
Purl
pkg:apk/alpine/python3?arch=source

Affected ranges

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

Affected versions

3.*

3.1.3-r0
3.2.0-r0
3.2.3-r0
3.3.0-r0
3.3.2-r0
3.3.3-r0
3.3.4-r0
3.4.1-r0
3.4.2-r0
3.4.2-r1
3.4.3-r1
3.4.3-r2
3.5.0-r0
3.5.1-r0
3.5.1-r1
3.5.1-r2
3.5.1-r3
3.5.2-r0
3.5.2-r1
3.5.2-r2
3.5.2-r3
3.5.2-r4
3.5.2-r5
3.5.2-r6
3.5.2-r7
3.5.2-r8
3.5.2-r9
3.5.2-r10
3.6.0-r0
3.6.1-r0
3.6.1-r1
3.6.1-r2
3.6.1-r3
3.6.1-r4
3.6.2-r0
3.6.2-r1
3.6.2-r2
3.6.2-r3
3.6.3-r3
3.6.3-r4
3.6.3-r5
3.6.3-r6
3.6.3-r7
3.6.3-r8
3.6.3-r9
3.6.4-r0
3.6.4-r1
3.6.6-r0
3.6.6-r1
3.6.6-r2
3.6.6-r3
3.6.7-r0
3.6.8-r0
3.6.8-r1
3.6.8-r2
3.7.2-r0
3.7.3-r0
3.7.3-r1
3.7.4-r0
3.7.5-r0
3.7.5-r1
3.8.0-r0
3.8.1-r0
3.8.1-r1
3.8.1-r2
3.8.1-r3

Alpine:v3.19 / python3

Package

Name
python3
Purl
pkg:apk/alpine/python3?arch=source

Affected ranges

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

Affected versions

3.*

3.1.3-r0
3.2.0-r0
3.2.3-r0
3.3.0-r0
3.3.2-r0
3.3.3-r0
3.3.4-r0
3.4.1-r0
3.4.2-r0
3.4.2-r1
3.4.3-r1
3.4.3-r2
3.5.0-r0
3.5.1-r0
3.5.1-r1
3.5.1-r2
3.5.1-r3
3.5.2-r0
3.5.2-r1
3.5.2-r2
3.5.2-r3
3.5.2-r4
3.5.2-r5
3.5.2-r6
3.5.2-r7
3.5.2-r8
3.5.2-r9
3.5.2-r10
3.6.0-r0
3.6.1-r0
3.6.1-r1
3.6.1-r2
3.6.1-r3
3.6.1-r4
3.6.2-r0
3.6.2-r1
3.6.2-r2
3.6.2-r3
3.6.3-r3
3.6.3-r4
3.6.3-r5
3.6.3-r6
3.6.3-r7
3.6.3-r8
3.6.3-r9
3.6.4-r0
3.6.4-r1
3.6.6-r0
3.6.6-r1
3.6.6-r2
3.6.6-r3
3.6.7-r0
3.6.8-r0
3.6.8-r1
3.6.8-r2
3.7.2-r0
3.7.3-r0
3.7.3-r1
3.7.4-r0
3.7.5-r0
3.7.5-r1
3.8.0-r0
3.8.1-r0
3.8.1-r1
3.8.1-r2
3.8.1-r3

Alpine:v3.20 / python3

Package

Name
python3
Purl
pkg:apk/alpine/python3?arch=source

Affected ranges

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

Affected versions

3.*

3.1.3-r0
3.2.0-r0
3.2.3-r0
3.3.0-r0
3.3.2-r0
3.3.3-r0
3.3.4-r0
3.4.1-r0
3.4.2-r0
3.4.2-r1
3.4.3-r1
3.4.3-r2
3.5.0-r0
3.5.1-r0
3.5.1-r1
3.5.1-r2
3.5.1-r3
3.5.2-r0
3.5.2-r1
3.5.2-r2
3.5.2-r3
3.5.2-r4
3.5.2-r5
3.5.2-r6
3.5.2-r7
3.5.2-r8
3.5.2-r9
3.5.2-r10
3.6.0-r0
3.6.1-r0
3.6.1-r1
3.6.1-r2
3.6.1-r3
3.6.1-r4
3.6.2-r0
3.6.2-r1
3.6.2-r2
3.6.2-r3
3.6.3-r3
3.6.3-r4
3.6.3-r5
3.6.3-r6
3.6.3-r7
3.6.3-r8
3.6.3-r9
3.6.4-r0
3.6.4-r1
3.6.6-r0
3.6.6-r1
3.6.6-r2
3.6.6-r3
3.6.7-r0
3.6.8-r0
3.6.8-r1
3.6.8-r2
3.7.2-r0
3.7.3-r0
3.7.3-r1
3.7.4-r0
3.7.5-r0
3.7.5-r1
3.8.0-r0
3.8.1-r0
3.8.1-r1
3.8.1-r2
3.8.1-r3

Debian:11 / python2.7

Package

Name
python2.7
Purl
pkg:deb/debian/python2.7?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.7.18-2

Ecosystem specific

{
    "urgency": "low"
}

Git / github.com/python/cpython

Affected versions

v3.*

v3.8.0
v3.8.1
v3.8.1rc1