BSD Ports

www/varnish7 -- Request Smuggling Attack

· VuXML entry

The Varnish Development Team reports: A client-side desync vulnerability can be triggered in Varnish Cache and Varnish Enterprise. This vulnerability can be triggered under specific circumstances involving malformed HTTP/1 requests. An attacker can abuse a flaw in Varnish's handling of chunked transfer encoding which allows certain malformed HTTP/1 requests to exploit improper framing of the message body to smuggle …

Affected versions

By system

1 still vulnerable, 1 fixed. Where VuXML applies (FreeBSD, DragonFly, FreeBSD's derivatives) a port is vulnerable while its version is in a range; pkgsrc says itself whether it lists a CVE of this advisory; OpenBSD and MidnightBSD keep no list this site reads, so their row is only an estimate: FreeBSD's ranges applied to upstream's version.

SystemPortVersionStateFixed
DragonFlywww/varnish77.6.2 vulnerable since 2025-05-12
MidnightBSDwww/varnish77.7.3 out of range, by version
FreeBSDwww/varnish77.7.3_1 fixed