CVE-2025-30346

Description

Varnish Cache before 7.6.2 and Varnish Enterprise before 6.0.13r10 allow client-side desync via HTTP/1 requests.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.05%
Vendor Advisory varnish-cache.org
Affected: varnish-software Varnish Cache
Published at:
Updated at:

References

Link Tags
https://varnish-cache.org/security/VSV00015.html vendor advisory
https://lists.debian.org/debian-lts-announce/2025/03/msg00027.html

Frequently Asked Questions

What is the severity of CVE-2025-30346?
CVE-2025-30346 has been scored as a medium severity vulnerability.
How to fix CVE-2025-30346?
To fix CVE-2025-30346, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-30346 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-30346 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-30346?
CVE-2025-30346 affects varnish-software Varnish Cache.
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