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An issue was discovered in Varnish Cache 7.x before 7.1.2 and 7.2.x before 7.2.1. A request smuggling attack can be performed on Varnish Cache servers by requesting that certain headers are made hop-by-hop, preventing the Varnish Cache servers from forwarding critical headers to the backend.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade varnish | Aug 22, 2024 | Nov 9, 2022 |
| Debian | — | Upgrade varnish | Jul 30, 2024 | Nov 9, 2022 |
| Gentoo Linux | — | Upgrade www-servers/vinyl-cache. | Aug 26, 2026 | Aug 26, 2026 |
| Suse | — | Upgrade libvarnishapi3Upgrade varnish-develUpgrade varnish | Nov 14, 2022 | Nov 9, 2022 |
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