Staging Environment: Content and features may be unstable or change without notice.
Advisory details: github_osv / GHSA-jgrp-6qqq-3284
Advisory ID github_osv/GHSA-jgrp-6qqq-3284
Aliases CVE-2021-42279
Summary Chakra Scripting Engine and ChakraCore Vulnerable to Memory Corruption 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.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (1)
CWE-787 Out-of-bounds Write
System Score Found at
cvssv3.1 7.5 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-jgrp-6qqq-3284/GHSA-jgrp-6qqq-3284.json
generic_textual HIGH
Reference id Reference type URL
CVE-2021-42279 https://nvd.nist.gov/vuln/detail/CVE-2021-42279
CVE-2021-42279 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42279
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-jgrp-6qqq-3284/GHSA-jgrp-6qqq-3284.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

There are no SSVC decisions available.