Regular Expression Denial of Service in browserslist · CVE-2021-23364 · GitHub Advisory Database · GitHub

Regular Expression Denial of Service in browserslist

Moderate severity GitHub Reviewed Published May 24, 2021 to the GitHub Advisory Database • Updated Aug 17, 2023

Package

browserslist (npm)

Affected versions

>= 4.0.0, < 4.16.5

Patched versions

4.16.5

Description

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.

References

Published by the National Vulnerability Database

Apr 28, 2021

Reviewed May 20, 2021

Published to the GitHub Advisory Database May 24, 2021

Last updated Aug 17, 2023

Severity

Moderate

5.3

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

None

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

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