CVE-2021-23364 Regular Expression Denial of Service (ReDoS)

2021-04-2815:35:19

snyk

www.cve.org

regular expression denial of service

browserslist

parsing queries

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

AI Score

5.8

Confidence

High

EPSS

0.002

Percentile

57.5%

JSON

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.

CNA Affected

[
  {
    "product": "browserslist",
    "vendor": "n/a",
    "versions": [
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "4.0.0",
        "versionType": "custom"
      },
      {
        "lessThan": "4.16.5",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]