| Package | Affected versions | Patched versions |
|---|---|---|
| varnish cache | ≥ 6.0.0, < 6.0.11 | 6.0.11 |
| varnish cache plus | = 6.0.0= 6.0.1= 6.0.10= 6.0.2= 6.0.3= 6.0.4= 6.0.5= 6.0.6= 6.0.7= 6.0.8= 6.0.9 | |
| varnish cache | = 7.2.0≥ 5.0.0, < 6.0.11≥ 7.0.0, < 7.1.2 | 6.0.117.1.2 |
An HTTP Request Forgery issue was discovered in Varnish Cache 5.x and 6.x before 6.0.11, 7.x before 7.1.2, and 7.2.x before 7.2.1. An attacker may introduce characters through HTTP/2 pseudo-headers that are invalid in the context of an HTTP/1 request line, causing the Varnish server to produce invalid HTTP/1 requests to the backend. This could, in turn, be used to exploit vulnerabilities in a server behind the Varnish server. Note: the 6.0.x LTS series (before 6.0.11) is affected.
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