CVE-2025-65082
MEDIUM6.5EPSS 0.14%Apache HTTP Server: CGI environment variable override
Published: 12/5/2025Modified: 4/28/2026
Description
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.
Affected packages (3)
- Alpine/apache2from 0, < 2.4.66-r0
- Bitnami/apache>= 2.4.0, < 2.4.66
- Debian/apache2from 0, < 2.4.66-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |