# CVE-2022-1319: undertow: A flaw was found in Undertow

CVE-2022-1319 is fixed in undertow on 1 platform by DEBIAN-CVE-2022-1319 (version 2.2.17-1), released August 31, 2022. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2022-1319
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0170
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 31, 2022

## Description

A flaw was found in Undertow. For an AJP 400 response, EAP 7 is improperly sending two response packets, and those packets have the reuse flag set even though JBoss EAP closes the connection. A failure occurs when the connection is reused after a 400 by CPING since it reads in the second SEND_HEADERS response packet instead of a CPONG.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | undertow Debian 14 | 2.2.17-1 | [DEBIAN-CVE-2022-1319](https://patchblox.com/security/data/fix/linux/debian-cve-2022-1319.md) | Aug 31, 2022 |

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Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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