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GitHub Advisory DatabaseGHSA-HG3W-7HJ9-M3F7

HistoryMay 21, 2022 - 12:00 a.m.

Regular expression denial of service in url_regex

2022-05-2100:00:25

CWE-1333

GitHub Advisory Database

github.com

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.001 Low

EPSS

Percentile

32.1%

JSON

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

Affected configurations

Vulners

Node

urlregexRange≤1.0.4

CPENameOperatorVersion
url_regexle1.0.4

CPE	Name	Operator	Version
	url_regex	le	1.0.4

References

github.com/advisories/GHSA-hg3w-7hj9-m3f7

github.com/AlexFlipnote/url_regex/blob/master/url_regex/url_regex.py

nvd.nist.gov/vuln/detail/CVE-2022-21195

snyk.io/vuln/SNYK-PYTHON-URLREGEX-2347643

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.001 Low

EPSS

Percentile

32.1%

JSON

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