CVE-2025-0752: openshift service Request Smuggling

Description

A flaw was found in OpenShift Service Mesh 2.6.3 and 2.5.6. Rate-limiter avoidance, access-control bypass, CPU and memory exhaustion, and replay attacks may be possible due to improper HTTP header sanitization in Envoy.

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CVSS v3.1 Score

7.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

Weakness Type (CWE)

CWE-444 CWE-444

Affected Products

Vendor	Product	Versions
redhat	openshift_service_mesh	All
redhat	openshift_service_mesh	All

References

Advisories & Patches

https://access.redhat.com/security/cve/CVE-2025-0752 https://bugzilla.redhat.com/show_bug.cgi?id=2339115

Frequently Asked Questions

What is CVE-2025-0752? +

A flaw was found in OpenShift Service Mesh 2.6.3 and 2.5.6. Rate-limiter avoidance, access-control bypass, CPU and memory exhaustion, and replay attacks may be possible due to improper HTTP header sanitization in Envoy. It has a CVSS v3.1 base score of 7.1 (HIGH).

How severe is CVE-2025-0752? +

CVE-2025-0752 has a CVSS v3.1 score of 7.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-0752? +

CVE-2025-0752 affects products from redhat, specifically: openshift_service_mesh. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-0752? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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