CVE-2023-46846 CRITICAL

CVE-2023-46846: Squid: request/response smuggling in http/1.1 and icap

Vendor Red Hat
Product Red Hat Enterprise Linux 6
Weakness CWE-444
Published November 3, 2023
Last update February 25, 2026
View on NVD All CVEs

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N

What the vulnerability does

01Description

SQUID is vulnerable to HTTP request smuggling, caused by chunked decoder lenience, allows a remote attacker to perform Request/Response smuggling past firewall and frontend security systems.

Key dates

02Disclosure timeline

November 3, 2023 CVE published
February 25, 2026 Record updated