CVE-2025-30347

Description

Varnish Enterprise before 6.0.13r13 allows remote attackers to obtain sensitive information via an out-of-bounds read for range requests on ephemeral MSE4 stevedore objects.

Category

4.0
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.05%
Vendor Advisory varnish-software.com
Affected: varnish-software Varnish Enterprise
Published at:
Updated at:

References

Link Tags
https://docs.varnish-software.com/security/VEV00001/ mitigation vendor advisory

Frequently Asked Questions

What is the severity of CVE-2025-30347?
CVE-2025-30347 has been scored as a medium severity vulnerability.
How to fix CVE-2025-30347?
To fix CVE-2025-30347, 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-2025-30347 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-30347 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-2025-30347?
CVE-2025-30347 affects varnish-software Varnish Enterprise.
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