This is Varnish Cache, a web application accelerator also known as a caching HTTP reverse proxy. You install it in front of any server that speaks HTTP and configure it to cache the contents. Varnish Cache is really, really fast. It typically speeds up delivery with a factor of 300 - 1000x, depending on your architecture.
Security Fix(es):
In Varnish Cache before 6.6.2 and 7.x before 7.0.2, Varnish Cache 6.0 LTS before 6.0.10, and and Varnish Enterprise (Cache Plus) 4.1.x before 4.1.11r6 and 6.0.x before 6.0.9r4, request smuggling can occur for HTTP/1 connections(CVE-2022-23959)
{ "severity": "Critical" }
{ "src": [ "varnish-6.6.2-1.oe1.src.rpm" ], "noarch": [ "varnish-help-6.6.2-1.oe1.noarch.rpm" ], "aarch64": [ "varnish-6.6.2-1.oe1.aarch64.rpm", "varnish-debuginfo-6.6.2-1.oe1.aarch64.rpm", "varnish-debugsource-6.6.2-1.oe1.aarch64.rpm", "varnish-devel-6.6.2-1.oe1.aarch64.rpm" ], "x86_64": [ "varnish-6.6.2-1.oe1.x86_64.rpm", "varnish-debuginfo-6.6.2-1.oe1.x86_64.rpm", "varnish-debugsource-6.6.2-1.oe1.x86_64.rpm", "varnish-devel-6.6.2-1.oe1.x86_64.rpm" ] }
{ "src": [ "varnish-6.6.2-1.oe1.src.rpm" ], "noarch": [ "varnish-help-6.6.2-1.oe1.noarch.rpm" ], "aarch64": [ "varnish-6.6.2-1.oe1.aarch64.rpm", "varnish-debuginfo-6.6.2-1.oe1.aarch64.rpm", "varnish-debugsource-6.6.2-1.oe1.aarch64.rpm", "varnish-devel-6.6.2-1.oe1.aarch64.rpm" ], "x86_64": [ "varnish-6.6.2-1.oe1.x86_64.rpm", "varnish-debuginfo-6.6.2-1.oe1.x86_64.rpm", "varnish-debugsource-6.6.2-1.oe1.x86_64.rpm", "varnish-devel-6.6.2-1.oe1.x86_64.rpm" ] }
{ "src": [ "varnish-6.6.2-1.oe1.src.rpm" ], "noarch": [ "varnish-help-6.6.2-1.oe1.noarch.rpm" ], "aarch64": [ "varnish-6.6.2-1.oe1.aarch64.rpm", "varnish-debuginfo-6.6.2-1.oe1.aarch64.rpm", "varnish-debugsource-6.6.2-1.oe1.aarch64.rpm", "varnish-devel-6.6.2-1.oe1.aarch64.rpm" ], "x86_64": [ "varnish-6.6.2-1.oe1.x86_64.rpm", "varnish-debuginfo-6.6.2-1.oe1.x86_64.rpm", "varnish-debugsource-6.6.2-1.oe1.x86_64.rpm", "varnish-devel-6.6.2-1.oe1.x86_64.rpm" ] }
{ "src": [ "varnish-7.0.1-5.oe2203.src.rpm" ], "noarch": [ "varnish-help-7.0.1-5.oe2203.noarch.rpm" ], "aarch64": [ "varnish-7.0.1-5.oe2203.aarch64.rpm", "varnish-debuginfo-7.0.1-5.oe2203.aarch64.rpm", "varnish-debugsource-7.0.1-5.oe2203.aarch64.rpm", "varnish-devel-7.0.1-5.oe2203.aarch64.rpm" ], "x86_64": [ "varnish-7.0.1-5.oe2203.x86_64.rpm", "varnish-debuginfo-7.0.1-5.oe2203.x86_64.rpm", "varnish-debugsource-7.0.1-5.oe2203.x86_64.rpm", "varnish-devel-7.0.1-5.oe2203.x86_64.rpm" ] }