What is CVE-2025-65082?

CVE-2025-65082 is a medium-severity vulnerability in Apache Http Server, classified under CWE-150. CVSS score: 6.5/10. Published 2025-12-05.

How severe is CVE-2025-65082?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Apache Http Server

CVE-2025-65082

Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache HTTP Server through environment variables set via the Apache configuration unexpectedly superseding variables calculated by the server for CGI programs. This issue affects Apache HTTP Server from 2.4.0 through 2.4.65. Users are recommended to upgrade to version 2.4.66 which fixes the issue.

EPSS: 0.008 (51.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Apache Http_server
Apache Software Foundation Http Server — versions 2.4.0

Weakness classification (CWE)

CWE-150

References

security@apache.org (vendor-advisory, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Issue Tracking, Third Party Advisory)

Frequently asked questions

What is CVE-2025-65082?: CVE-2025-65082 is a medium-severity vulnerability in Apache Http Server, classified under CWE-150. CVSS score: 6.5/10. Published 2025-12-05.
How severe is CVE-2025-65082?: Medium severity. CVSS v3 base score is 6.5 out of 10.