DEBIAN-CVE-2021-3737

Advisory lineage Upstream: 1 Downstream: 5
Upstream
CVE-2021-3737
Published: 04 Mar 2022, 19:15
Last modified:28 Apr 2026, 20:22

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

04 Mar 2022, 19:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:22
Last Modified
Vulnerability information updated

Description

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.

CVSS Metrics

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Systems

  • debian•pypy3

    < 7.3.5+dfsg-2+deb11u4 | < 7.3.8+dfsg-1 | < 7.3.8+dfsg-1 | < 7.3.8+dfsg-1

  • debian•python2.7

    all

  • debian•python3.9

    < 3.9.2-1+deb11u2

References (1)