CVE-2023-46846
Publication date 3 November 2023
Last updated 19 August 2025
Ubuntu priority
Description
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 | 26.10 stonking |
Fixed in 6.1-2ubuntu2
|
| 26.04 LTS resolute |
Fixed in 6.1-2ubuntu2
|
|
| 24.04 LTS noble |
Fixed in 6.1-2ubuntu2
|
|
| 22.04 LTS jammy |
Fixed in 5.7-0ubuntu0.22.04.2
|
|
| 20.04 LTS focal |
Fixed in 4.10-1ubuntu1.8
|
|
| 18.04 LTS bionic | Not in release | |
| 16.04 LTS xenial | Not in release | |
| 14.04 LTS trusty | Not in release | |
| squid3 | 26.10 stonking | Not in release |
| 26.04 LTS resolute | Not in release | |
| 24.04 LTS noble | 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 |
Severity score breakdown
CVSS version: CVSS v3.0
Base score
9.3 · Critical
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N
References
Related Ubuntu Security Notices (USN)
- USN-6500-1
- Squid vulnerabilities
- 21 November 2023