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CVE-2021-42279 — Vulnerability in Microsoft.ChakraCore — CVE Details

HIGH

Chakra Scripting Engine and ChakraCore Vulnerable to Memory Corruption

Published May 24, 2022Updated November 8, 2023Source: osv

Summary

Chakra Scripting Engine and ChakraCore are vulnerable to memory corruption due to an out-of-bounds write. The Microsoft advisory for CVE-2021-42279 was modified in August 2022 to include Microsoft.ChakraCore as an affected product.

Advisory Timeline

  • First published May 24, 2022 (1602 days ago).
  • Last revised November 8, 2023 — 532 days after initial publication.

Affected Packages (1)

Affects 1 ecosystem: nuget (1).

PackageEcosystemAffectedFixed In
Microsoft.ChakraCore
nuget
1.10.0, 1.10.1, 1.10.2, 1.11.0 (+57 more)Range-based data available

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-787
    Out-of-bounds WriteMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 7.5 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2021-42279?
Chakra Scripting Engine and ChakraCore Vulnerable to Memory Corruption This vulnerability has been assigned a severity rating of HIGH (CVSS score: 7.5/10).
How do I check if my project is affected by CVE-2021-42279?
CVE-2021-42279 affects Microsoft.ChakraCore. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2021-42279 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
7.5

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-jgrp-6qqq-3284

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