Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to a Buffer Overread bug Squid is vulnerable to a Denial of Service attack against Squid HTTP Message processing. This bug is fixed by Squid version 6.5. Users are advised to upgrade. There are no known workarounds for this vulnerability.
https://security.netapp.com/advisory/ntap-20240119-0004/
https://lists.debian.org/debian-lts-announce/2024/01/msg00003.html
https://github.com/squid-cache/squid/security/advisories/GHSA-8w9r-p88v-mmx9
https://github.com/squid-cache/squid/commit/deee944f9a12c9fd399ce52f3e2526bb573a9470
https://github.com/squid-cache/squid/commit/77b3fb4df0f126784d5fd4967c28ed40eb8d521b