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CVE-2021-23364

Good to know:

Date: April 28, 2021

The package browserslist from 4.0.0 and before 4.16.5 are vulnerable to Regular Expression Denial of Service (ReDoS) during parsing of queries.

Language: JS

Severity Score

5.3

Related Resources (5)

Url: https://nvd.nist.gov/vuln/detail/CVE-2021-23364

Url: https://github.com/browserslist/browserslist/pull/593

Url: https://github.com/browserslist/browserslist/blob/e82f32d1d4100d6bc79ea0b6b6a2d281a561e33c/index.js%23L472-L474

Url: https://github.com/browserslist/browserslist/commit/c091916910dfe0b5fd61caad96083c6709b02d98

Url: https://www.mend.io/vulnerability-database/CVE-2021-23364

Severity Score

5.3

Weakness Type (CWE)

Uncontrolled Resource Consumption ('Resource Exhaustion')

CWE-400

Inefficient Regular Expression Complexity

CWE-1333

Top Fix

Upgrade Version

Upgrade to version browserslist - 4.16.5

CVSS v3.1

Base Score:	5.3
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	LOW

CVSS v2

Base Score:	5.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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