This update for squid fixes the following issues: - CVE-2021-46784: Fixed DoS when processing gopher server responses. - Update to 5.6: - Improve handling of Gopher responses - Changes in 5.5: - fixes regression Bug 5192: esi_parser default is incorrect - Bug 5177: clientca certificates sent to https_port clients - Bug 5090: Must violation - Kid restart leads to persistent queue overflows, delays/timeouts