CVE-2025-30346
varnish - security update
4.8
MEDIUM
CVSS 3.1
EPSS 0.40%
Description
Varnish Cache before 7.6.2 and Varnish Enterprise before 6.0.13r10 allow client-side desync via HTTP/1 requests.
How to fix CVE-2025-30346
To remediate CVE-2025-30346, upgrade the affected package to a fixed version below.
- Alpine/varnish—upgrade to 7.6.3-r0 or later
- Bitnami/varnish—no fix listed
- —upgrade to 6.5.1-1+deb11u4 or later
- —upgrade to 6.5.1-1+deb11u4 or later
- —upgrade to 7.1.1-2+deb12u1 or later
Is CVE-2025-30346 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (5)
- from 0, < 7.6.3-r0
- from 0
- from 0, < 6.5.1-1+deb11u4
- from 0, < 6.5.1-1+deb11u4
- from 0, < 7.1.1-2+deb12u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.8 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N |