CVE-2022-21195

Regular Expression Denial of Service (ReDoS)

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Published May 20, 2022 CVSS 3.1 · 5.3 Medium EPSS 1.4% KEV · Not listed

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

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

url-regex

affected

Version	Status	Constraints
`0`	affected	< unspecified

Configuration 1 [-]

cpe:2.3:a:url-regex_project:url-regex:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2022-4139	All versions of package url-regex are vulnerable to Regular Expression Denial of Service (ReDoS) which can cause the CPU usage to crash.
Github GHSA	GHSA-hg3w-7hj9-m3f7	Regular expression denial of service in url_regex

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 1.4% (1.361% probability within 30 days)

Key SSVC decision points have not yet been added.

References

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

History

No history.

Subscriptions

Url-regex Project Url-regex

Weaknesses

CWE-1333

Sources

CVE record Updated: Sep 16, 2024, 8:47 PM

Status: PUBLISHED
Assigner: snyk
Published: May 20, 2022, 8:00 PM
Updated: Sep 16, 2024, 8:47 PM
Reserved: Feb 24, 2022, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 4:25 AM

Status: Modified
Published: May 20, 2022, 8:15 PM
Modified: Jun 17, 2026, 4:25 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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