---
title: "CVE-2022-24775"
canonical: "https://kb.cynergy.app/space/MD/923730036/CVE-2022-24775"
format: markdown
---
**Description**

guzzlehttp/psr7 is a PSR-7 HTTP message library. Versions prior to 1.8.4 and 2.1.1 are vulnerable to improper header parsing. An attacker could sneak in a new line character and pass untrusted values. The issue is patched in 1.8.4 and 2.1.1. There are currently no known workarounds.

**Published On**

06/16/2022

**Updated On**

09/29/2022

**Trending**

FALSE

**CWE**

<u>[CWE-20](http://cwe.mitre.org/data/definitions/20.html)</u>

**Exploit**


**Mitigation:**

![image](media://8950ae49-346a-4166-8fae-aa74e8ed066e)

Cynergy has an automated mitigation capability that requires integration with your WAF provider.

Once integrated, you can request “Protect with WAF”

This will move the exposed asset behind WAF protection

<span style="color: #97a0af">**Note: **</span><span style="color: #97a0af">Policies configuration should be defined separately</span>

 

**Remediation**

The issue is patched in 1.8.4 and 2.1.1.

**Reference**

[https://github.com/guzzle/psr7/pull/485/commits/e55afaa3fc138c89adf3b55a8ba20dc60d17f1f1](https://github.com/guzzle/psr7/pull/485/commits/e55afaa3fc138c89adf3b55a8ba20dc60d17f1f1)