7.5
High
CVE-2021-3737 A flaw was found in python
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Python | Versions not published | |
| SIMATIC S7-1500 CPU 1518-4 PN/DP MFP 3.1 | 3.1.0 → < 3.1.5 | 3.1.5 |
| SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP 3.1 | 3.1.0 → < 3.1.5 | 3.1.5 |
| SIPLUS S7-1500 CPU 1518-4 PN/DP MFP 3.1 | 3.1.0 → < 3.1.5 | 3.1.5 |
References
- bugs.python.org bugs.python.org
- github.com github.com
- bugzilla.redhat.com bugzilla.redhat.com
- github.com github.com
- ubuntu.com ubuntu.com
- www.oracle.com www.oracle.com
- python-security.readthedocs.io python-security.readthedocs.io
- security.netapp.com security.netapp.com
- [debian-lts-announce] 20230524 [SECURITY] [DLA 3432-1] python2.7 security update lists.debian.org
- [debian-lts-announce] 20230630 [SECURITY] [DLA 3477-1] python3.7 security update lists.debian.org
Timeline
- Published
- Last modified
Other CVEs of Python
The 7 CVEs of Python →
CVE-2020-10735
A flaw was found in python
6.2
Medium
CVE-2021-4189
A flaw was found in Python, specifically in the FTP (File Transfer Protocol) client library in PASV (passive) mode
5.3
Medium
CVE-2021-3733
There's a flaw in urllib's AbstractBasicAuthHandler class
Not rated
CVE-2022-0391
A flaw was found in Python, specifically within the urllib.parse module
7.5
High