CVE-2021-23364
Regular Expression Denial of Service in browserslist
5.3
MEDIUM
CVSS 3.1
EPSS 0.60%
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.
How to fix CVE-2021-23364
To remediate CVE-2021-23364, upgrade the affected package to a fixed version below.
- Debian/node-browserslist—upgrade to 4.16.3+~cs5.4.72-2 or later
- —upgrade to 4.16.5 or later
Is CVE-2021-23364 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 4.16.3+~cs5.4.72-2
- >= 4.0.0, < 4.16.5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |