CVE-2022-21195

Public Exploit
Regular Expression Denial of Service (ReDoS)

Description

All versions of package url-regex are vulnerable to Regular Expression Denial of Service (ReDoS) which can cause the CPU usage to crash.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.41%
Third-Party Advisory github.com Third-Party Advisory snyk.io
Affected: n/a url-regex
Published at:
Updated at:

References

Link Tags
https://snyk.io/vuln/SNYK-PYTHON-URLREGEX-2347643 third party advisory exploit
https://github.com/AlexFlipnote/url_regex/blob/master/url_regex/url_regex.py third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2022-21195?
CVE-2022-21195 has been scored as a medium severity vulnerability.
How to fix CVE-2022-21195?
To fix CVE-2022-21195, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-21195 being actively exploited in the wild?
It is possible that CVE-2022-21195 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-21195?
CVE-2022-21195 affects n/a url-regex.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.