Inconsistent interpretation of HTTP requests in Go programming language - CVE-2025-22871

 

Inconsistent interpretation of HTTP requests in Go programming language - CVE-2025-22871

Published: April 5, 2025


Vulnerability identifier: #VU107019
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Green
CVE-ID: CVE-2025-22871
CWE-ID: CWE-444
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Google
Affected software:
Go programming language

Detailed vulnerability description

The vulnerability allows a remote attacker to perform HTTP request smuggling attacks.

The vulnerability exists due to improper validation of HTTP requests when handling chunked data in net/http. A remote attacker can send a specially crafted HTTP request to the server and smuggle arbitrary HTTP headers.

Successful exploitation of vulnerability may allow an attacker to poison HTTP cache and perform phishing attacks.


How to mitigate CVE-2025-22871

Install updates from vendor's website.

Sources