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SnykCVE-2021-23368

HistoryApr 12, 2021 - 2:15 p.m.

CVE-2021-23368

2021-04-1214:15:14

snyk

web.nvd.nist.gov

100

cve

2021

23368

postcss

regular expression denial of service

redos

vulnerability

nvd

CVSS2

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

AI Score

5.3

Confidence

High

EPSS

0.005

Percentile

76.2%

JSON

The package postcss from 7.0.0 and before 8.2.10 are vulnerable to Regular Expression Denial of Service (ReDoS) during source map parsing.

Affected configurations

Nvd

Node

postcsspostcssRange7.0.0–7.0.36node.js

postcsspostcssRange8.0.0–8.2.10node.js

VendorProductVersionCPE
postcsspostcss*cpe:2.3:a:postcss:postcss:*:*:*:*:*:node.js:*:*

Vendor	Product	Version	CPE
postcss	postcss	*	cpe:2.3:a:postcss:postcss::::::node.js::*

CNA Affected

[
  {
    "product": "postcss",
    "vendor": "n/a",
    "versions": [
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "7.0.0",
        "versionType": "custom"
      },
      {
        "lessThan": "8.2.10",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]