CVE-2021-42279: Chakra Scripting Engine and ChakraCore Vulnerable to Memory Corruption

CVE-2021-42279 · Severity: low · CVSS 3.1 · Published 2022-05-24

Chakra Scripting Engine and ChakraCore Vulnerable to Memory Corruption

Technologies: Microsoft.ChakraCore (NuGet). Vendors: NuGet.

Quick answers

Is CVE-2021-42279 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2021-42279 being exploited in the wild.
How severe is CVE-2021-42279?
Low severity, with a CVSS score of 3.1, published 24 May 2022.
Which products and versions are affected?
Microsoft.ChakraCore (NuGet) ECOSYSTEM:introduced=0,last_affected=1.11.24.
Is there a fix for CVE-2021-42279?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2021-42279?
Check whether you run Microsoft.ChakraCore (NuGet) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Microsoft.ChakraCore (NuGet) ECOSYSTEM:introduced=0,last_affected=1.11.24

Identifiers

  • CVE-2021-42279
  • GHSA-jgrp-6qqq-3284

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