Out-of-bounds write

HIGH 7.5CVE-2019-1237 · GHSA-q99r-j969-6jwr · Published 11/09/2019 · updated 17/06/2026

In short

CVE-2019-1237 is a HIGH (CVSS 7.5) vulnerability affecting Microsoft.ChakraCore, chakracore (microsoft).
Chance of exploitation in the next 30 days (EPSS): 8.7%, higher than 95.1% of all vulnerabilities.
Fix: update to 1.11.13 or later.

Package	Affected versions	Patched versions
Microsoft.ChakraCore NuGet	`< 1.11.13`	`1.11.13`
chakracore microsoft	`< 1.11.13`	`1.11.13`

Description

A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge, aka 'Chakra Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2019-1138, CVE-2019-1217, CVE-2019-1298, CVE-2019-1300.

NVD description

References

nvd.nist.gov/vuln/detail/CVE-2019-1237 · ADVISORY
chakra-core/ChakraCore commit 31f2588 · WEB
chakra-core/ChakraCore commit 7e9a2ee · WEB
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1237 · WEB

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Package

Affected versions

Patched versions

Microsoft.ChakraCore

NuGet

< 1.11.13

1.11.13

chakracore

microsoft

< 1.11.13

1.11.13

Description

NVD description

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