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githubGitHub Advisory DatabaseGHSA-W8QV-6JWH-64R5
HistoryMay 24, 2021 - 7:52 p.m.

Regular Expression Denial of Service in browserslist

2021-05-2419:52:40
CWE-400
CWE-1333
GitHub Advisory Database
github.com
83
browserslist vulnerability redos softwareparsing

CVSS2

5

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

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

EPSS

0.002

Percentile

57.5%

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.

Affected configurations

Vulners
Node
browserslist_projectbrowserslistRange<4.16.5node.js
VendorProductVersionCPE
browserslist_projectbrowserslist*cpe:2.3:a:browserslist_project:browserslist:*:*:*:*:*:node.js:*:*

CVSS2

5

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

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

EPSS

0.002

Percentile

57.5%