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CVE-2021-23382

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Date: April 26, 2021

The package postcss before 8.2.13 are vulnerable to Regular Expression Denial of Service (ReDoS) via getAnnotationURL() and loadAnnotation() in lib/previous-map.js. The vulnerable regexes are caused mainly by the sub-pattern \/\*\s* sourceMappingURL=(.*).

Language: TYPE_SCRIPT

Severity Score

Related Resources (5)

https://nvd.nist.gov/vuln/detail/CVE-2021-23382
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-23382
https://github.com/postcss/postcss/commit/2b1d04c867995e55124e0a165b7c6622c1735956
https://security-tracker.debian.org/tracker/CVE-2021-23382
https://www.mend.io/vulnerability-database/CVE-2021-23382

Severity Score

Weakness Type (CWE)

Inefficient Regular Expression Complexity

CWE-1333

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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