CVE-2023-46846
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.
Scoring
- Severity
- CRITICAL
- CVSS base score
- 9.3
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N
- EPSS probability
- 9.62%
- CWE
- CWE-444
- Published
- 2023-11-03
- Last modified
- 2026-03-13
Affected products
- Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support
- Red Hat Red Hat Enterprise Linux 8
- Red Hat Red Hat Enterprise Linux 8
- Red Hat Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions
- Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support
- Red Hat Red Hat Enterprise Linux 8.2 Telecommunications Update Service
- Red Hat Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions
- Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
Weakness type
Related vulnerabilities
- CVE-2023-46589 — Apache Tomcat: HTTP request smuggling via malformed trailer headers
- CVE-2026-48710 — Starlette has missing Host header validation that poisons request.url.path, bypassing path-based security checks
- CVE-2023-33193 — Emby Server Proxy Header Spoofing Vulnerability
- CVE-2025-1867 — HTTP Response Smuggling Vulnerability in libhv
- CVE-2024-41110 — Moby authz zero length regression
- CVE-2024-27922 — HTTP Handling Vulnerability in the Bare server
- CVE-2026-28497 — TinyWeb: Integer Overflow in `_Val` (HTTP Request Smuggling)
- CVE-2026-2835 — HTTP Request Smuggling via HTTP/1.0 and Transfer-Encoding Misparsing