CVE-2023-46846

What it is

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.

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of data exposure.

Exploit odds

7.2% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2023-11-03 08:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 06:31 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 7.2% in the next 30 days (EPSS).
• Severity: 9.3 CRITICAL (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2023-11-03 08:15 UTC

Last modified

2026-06-17 06:31 UTC

Exploit probability

7.2% · EPSS, next 30 days

Weakness

CWE-444

Record status

Modified

Affected

• squid-cache Squid < 6.4
• Redhat Enterprise Linux 8.0
• Redhat Enterprise Linux 9.0
• Redhat Enterprise Linux Eus 8.6
• Redhat Enterprise Linux Eus 8.8
• Redhat Enterprise Linux Eus 9.0
• Redhat Enterprise Linux Eus 9.2
• Redhat Enterprise Linux For Arm 64 8.0_aarch64

Attack profile CVSS 3.1 · 9.3

Attack vector

Network

Complexity

Low

Privileges needed

None

User interaction

None

Scope

Changed

Confidentiality

High

Integrity

Low

Availability

None

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2023-46846.md and follow it. Check whether this project is affected by CVE-2023-46846. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

Copy as ticket · More options · Status badge