CVE-2022-38150
7.5
HIGH
CVSS 3.1
EPSS 0.94%
Description
In Varnish Cache 7.0.0, 7.0.1, 7.0.2, and 7.1.0, it is possible to cause the Varnish Server to assert and automatically restart through forged HTTP/1 backend responses. An attack uses a crafted reason phrase of the backend response status line. This is fixed in 7.0.3 and 7.1.1.
How to fix CVE-2022-38150
To remediate CVE-2022-38150, upgrade the affected package to a fixed version below.
- Alpine/varnish—upgrade to 7.1.1-r0 or later
- —upgrade to 7.0.1 or later
- —upgrade to 7.1.1-1 or later
Is CVE-2022-38150 being exploited?
Low — EPSS is 0.9%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 7.1.1-r0
- >= 7.0.0, < 7.0.1, >= 7.0.1, < 7.0.2, >= 7.0.2, < 7.0.3, >= 7.1.0, < 7.1.1
- from 0, < 7.1.1-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |