CVE-2022-23959
Critical
Description
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.
SeverityCritical
CVSS9.1
Exploit probability—
Product
Varnish-software Varnish Cache
PublishedJan 26, 2022
First seenJan 26, 2022
How to fix
Update
- varnish-software varnish_cache6.0.10 or later
- varnish-software varnich_cache6.6.2, 4.1.11r6 or later
- varnish-software varnish_cache_plus6.0.9r4 or later
- varnish_cache_project varnish_cache7.0.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| varnish-software varnish_cache | 6.0.0 ≤ v < 6.0.10 | 6.0.10 |
| varnish-software varnich_cache | 1.0.0 ≤ v < 6.6.2, 4.1.1 ≤ v < 4.1.11r6, 4.1 | 6.6.2, 4.1.11r6 |
| varnish-software varnish_cache_plus | 6.0.0 ≤ v < 6.0.9r4 | 6.0.9r4 |
| varnish_cache_project varnish_cache | 7.0.0 ≤ v < 7.0.2 | 7.0.2 |
| fedoraproject fedora | 35 | — |
| debian debian_linux | 9.0, 10.0, 11.0 | — |
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