CVE-2023-46846

Publication date 3 November 2023

Last updated 30 May 2025


Ubuntu priority

Cvss 3 Severity Score

9.3 · Critical

Score breakdown

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.

Status

Package Ubuntu Release Status
squid 25.04 plucky
Fixed 6.1-2ubuntu2
24.10 oracular
Fixed 6.1-2ubuntu2
24.04 LTS noble
Fixed 6.1-2ubuntu2
23.10 mantic
Fixed 6.1-2ubuntu1.1
23.04 lunar
Fixed 5.7-1ubuntu3.1
22.04 LTS jammy
Fixed 5.7-0ubuntu0.22.04.2
20.04 LTS focal
Fixed 4.10-1ubuntu1.8
18.04 LTS bionic Ignored end of standard support
16.04 LTS xenial Ignored end of standard support
14.04 LTS trusty Ignored end of standard support
squid3 25.04 plucky Not in release
24.10 oracular Not in release
24.04 LTS noble Not in release
23.10 mantic Not in release
23.04 lunar Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Not in release
18.04 LTS bionic
Needs evaluation
16.04 LTS xenial
Needs evaluation
14.04 LTS trusty Ignored end of standard support

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
squid

Severity score breakdown

Parameter Value
Base score 9.3 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Changed
Confidentiality High
Integrity impact Low
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N