// For flags

CVE-2021-23368

Regular Expression Denial of Service (ReDoS)

Severity Score

5.3
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

2
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

El paquetes postcss desde versiones 7.0.0 y anteriores a 8.2.10 son vulnerables a una Denegación de Servicio de Expresiones Regulares (ReDoS) durante el análisis del mapa de origen

A regular expression denial of service (ReDoS) vulnerability was found in the npm library `postcss`. When parsing a supplied CSS string, if it contains an unexpected value then as the supplied CSS grows in length it will take an ever increasing amount of time to process. An attacker can use this vulnerability to potentially craft a malicious a long CSS value to process resulting in a denial of service.

Red Hat Advanced Cluster Management for Kubernetes 2.3.0 images Red Hat Advanced Cluster Management for Kubernetes provides the capabilities to address common challenges that administrators and site reliability engineers face as they work across a range of public and private cloud environments. Clusters and applications are all visible and managed from a single console—with security policy built in. This advisory contains the container images for Red Hat Advanced Cluster Management for Kubernetes, which fix several bugs and security issues. Issues addressed include code execution, cross site scripting, denial of service, integer overflow, and null pointer vulnerabilities.

*Credits: Yeting Li
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-01-08 CVE Reserved
  • 2021-04-12 CVE Published
  • 2024-09-16 CVE Updated
  • 2024-09-16 First Exploit
  • 2025-03-03 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-400: Uncontrolled Resource Consumption
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Postcss
Search vendor "Postcss"
Postcss
Search vendor "Postcss" for product "Postcss"
>= 7.0.0 < 7.0.36
Search vendor "Postcss" for product "Postcss" and version " >= 7.0.0 < 7.0.36"
node.js
Affected
Postcss
Search vendor "Postcss"
Postcss
Search vendor "Postcss" for product "Postcss"
>= 8.0.0 < 8.2.10
Search vendor "Postcss" for product "Postcss" and version " >= 8.0.0 < 8.2.10"
node.js
Affected