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.
https://github.com/squid-cache/squid/security/advisories/GHSA-j83v-w3p4-5cqh
https://bugzilla.redhat.com/show_bug.cgi?id=2245910
https://access.redhat.com/security/cve/CVE-2023-46846
https://access.redhat.com/errata/RHSA-2023:7213
https://access.redhat.com/errata/RHSA-2023:6810
https://access.redhat.com/errata/RHSA-2023:6804
https://access.redhat.com/errata/RHSA-2023:6803
https://access.redhat.com/errata/RHSA-2023:6801
https://access.redhat.com/errata/RHSA-2023:6748
https://access.redhat.com/errata/RHSA-2023:6268