CVE-2021-3737

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Source
https://nvd.nist.gov/vuln/detail/CVE-2021-3737
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-3737.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-3737
Aliases
Related
Published
2022-03-04T19:15:08Z
Modified
2024-10-12T07:57:03.985010Z
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 python. An improperly handled HTTP response in the HTTP client code of python may allow a remote attacker, who controls the HTTP server, to make the client script enter an infinite loop, consuming CPU time. The highest threat from this vulnerability is to system availability.

References

Affected packages

Debian:11 / pypy3

Package

Name
pypy3
Purl
pkg:deb/debian/pypy3?arch=source

Affected ranges

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

Affected versions

7.*

7.3.5+dfsg-2
7.3.5+dfsg-2+deb11u1
7.3.5+dfsg-2+deb11u2
7.3.6~rc2+dfsg-1
7.3.6~rc2+dfsg-2
7.3.6+dfsg-1
7.3.7+dfsg-1
7.3.7+dfsg-2
7.3.7+dfsg-3
7.3.7+dfsg-4
7.3.7+dfsg-5
7.3.8~rc1+dfsg-1
7.3.8~rc1+dfsg-2
7.3.8+dfsg-1
7.3.8+dfsg-2
7.3.9+dfsg-1
7.3.9+dfsg-2
7.3.9+dfsg-3
7.3.9+dfsg-4
7.3.9+dfsg-5
7.3.10~rc3+dfsg-1
7.3.10~rc3+dfsg-2
7.3.10+dfsg-1
7.3.11+dfsg-1
7.3.11+dfsg-2
7.3.12~rc1+dfsg-1
7.3.12~rc2+dfsg-1
7.3.12+dfsg-1
7.3.13+dfsg-1
7.3.14+dfsg-1
7.3.15+dfsg-1
7.3.16+dfsg-1
7.3.16+dfsg-2
7.3.17+dfsg-1
7.3.17+dfsg-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / pypy3

Package

Name
pypy3
Purl
pkg:deb/debian/pypy3?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7.3.8+dfsg-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / pypy3

Package

Name
pypy3
Purl
pkg:deb/debian/pypy3?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7.3.8+dfsg-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

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

Affected versions

2.*

2.7.18-8
2.7.18-8+deb11u1
2.7.18-9
2.7.18-10
2.7.18-11
2.7.18-12
2.7.18-13
2.7.18-13.1~exp1
2.7.18-13.1
2.7.18-13.2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:11 / python3.9

Package

Name
python3.9
Purl
pkg:deb/debian/python3.9?arch=source

Affected ranges

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

Affected versions

3.*

3.9.2-1
3.9.3-1
3.9.3-2
3.9.4-1
3.9.5-1
3.9.5-2
3.9.5-3
3.9.6-1
3.9.7-1
3.9.7-2
3.9.7-4
3.9.8-1
3.9.8-2
3.9.9-1
3.9.9-2
3.9.9-3
3.9.9-4
3.9.10-1
3.9.10-2
3.9.11-1
3.9.12-1
3.9.13-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Git / github.com/python/cpython

Affected ranges

Type
GIT
Repo
https://github.com/python/cpython
Events
Introduced
9cf6752276e6fcfd0c23fdb064ad27f448aaaf75
Fixed
db3ff76da19004f266b62e98a81bdfd322861436

Affected versions

v3.*

v3.9.0
v3.9.1
v3.9.1rc1
v3.9.2
v3.9.2rc1
v3.9.3
v3.9.4
v3.9.5