6.4.0

DATE	CVE	VULNERABILITY TITLE	RISK
2025-03-21	CVE-2025-30346	HTTP Request Smuggling vulnerability in multiple products Varnish Cache before 7.6.2 and Varnish Enterprise before 6.0.13r10 allow client-side desync via HTTP/1 requests. network high complexity varnish-software varnish-cache-project CWE-444	4.8
2023-10-10	CVE-2023-44487	The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023. network low complexity ietf nghttp2 netty envoyproxy eclipse caddyserver golang f5 apache apple grpc microsoft nodejs dena facebook amazon debian kazu-yamamoto istio varnish-cache-project traefik projectcontour linkerd linecorp redhat fedoraproject netapp akka konghq jenkins openresty cisco	7.5
2021-07-14	CVE-2021-36740	HTTP Request Smuggling vulnerability in multiple products Varnish Cache, with HTTP/2 enabled, allows request smuggling and VCL authorization bypass via a large Content-Length header for a POST request. network low complexity varnish-cache varnish-cache-project varnish-software fedoraproject debian CWE-444	6.5