What’s Vulnerable › Vulnerabilities

CVE-2022-21195: Regular Expression Denial of Service (ReDoS)

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-05-20 · updated 2026-06-17
• Weakness: CWE-1333

Description

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

Affected products

• url-regex: all versions

References

• https://github.com/AlexFlipnote/url_regex/blob/master/url_regex/url_regex.py
• https://snyk.io/vuln/SNYK-PYTHON-URLREGEX-2347643
• https://github.com/AlexFlipnote/url_regex/blob/master/url_regex/url_regex.py
• https://snyk.io/vuln/SNYK-PYTHON-URLREGEX-2347643

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