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CVE-2025-65082

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Date: December 5, 2025

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.

Severity Score

Related Resources (5)

https://nvd.nist.gov/vuln/detail/CVE-2025-65082
http://www.openwall.com/lists/oss-security/2025/12/04/7
https://httpd.apache.org/security/vulnerabilities_24.html
https://seclists.org/oss-sec/2025/q4/243
https://www.mend.io/vulnerability-database/CVE-2025-65082

Severity Score

Weakness Type (CWE)

Improperly Controlled Modification of Dynamically-Determined Object Attributes

CWE-915

Improper Neutralization of Escape, Meta, or Control Sequences

CWE-150

Top Fix

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Upgrade Version

Upgrade to version https://github.com/apache/httpd.git - 2.4.66

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): LOW
Availability (A): NONE

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