CVE-2025-65082: Apache HTTP Server: CGI environment variable override

Published Dec 4, 2025
·
Updated

802.1X. An authentication issue was addressed with improved state management.

Other sources

Accounts. An authorization issue was addressed with improved state management.

— Apple

Admin Framework. A path handling issue was addressed with improved validation.

— Apple

Apache HTTP Server: CGI environment variable override

— Microsoft

apache. This is a vulnerability in open source code and Apple Software is among the affected projects. The CVE-ID was assigned by a third party. Learn more about the issue and CVE-ID at cve.org.

— Apple

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.

— Launchpad

Credit

Rosyna Keller(Totally Not Malicious Software), CVE-2025-55753, CVE-2025-58098, CVE-2025-59775, CVE-2025-65082, CVE-2025-66200, Johnny Franks (zeroxjf), an anonymous researcher, Mickey Jin@@patch1t, Justin Cohen(Google), Jex Amro, Amy (amys.website), Cristian Dinca (icmd.tech), @@cloudlldb, Hossein Lotfi@@hosselot(TrendAI Zero Day Initiative), YingQi Shi@@Mas0nShi(DBAppSecurity's WeBin lab), Etienne Charron (Renault), Victoria Martini (Renault), Andreas Jaegersberger & Ro Achterberg(Nosebeard Labs), CVE-2025-14524, 风沐云烟@@binary_fmyy, Minghao Lin@@Y1nKoc, DARKNAVY@@DarkNavyOrg, Kirin@@Pwnrin, Zhongcheng Li(IES Red Team), CVE-2025-64505, Gor Aleksanyan(BoB 0xB6), Dhiyanesh Selvaraj@@redroot97(BoB 0xB6), 이동하 (Lee Dong Ha(BoB 0xB6), Jian Lee@@speedyfriend433, hari shanmugam, Johnny Franks@@zeroxjf, Sreejith Krishnan R, Himanshu Bharti@@Xpl0itme(Khatima), Chunyu Song(NorthSea), Rodolphe Brunetti@@eisw0lf(Lupus Nova), Matej Moravec@@MacejkoMoravec, Csaba Fitzl@@theevilbit(Iru), Dawuge(Shuffle Team), Hunan University, Kun Peeks@@SwayZGl1tZyyy, Gyujeong Jin at Team.0xb6@@G1uN4sh, wdszzml, Atuin Automated Vulnerability Discovery Engine, Alex Radocea, Christian Kohlschütter, Dave G., @@pixiepointsec, Caspian Tarafdar, Andrew Becker, Héloïse Gollier, Mathy Vanhoef (KU Leuven), Ryan Dowd@@_rdowd, Koh M. Nakagawa@@tsunek0h(FFRI Security Inc), Talal Haj Bakry(Mysk Inc), Tommy Mysk@@mysk_co(Mysk Inc), Zhongquan Li@@Guluisacat, Asaf Cohen, XiguaSec, Ye Zhang(Baidu Security), Ryan Dowd@@_rdowd(Iru), Joseph Ravichandran@@0xjprx(MIT CSAIL), Yuebin Sun@@yuebinsun2020(SecuRing), an anonymous researcher(SecuRing), Nathaniel Oh@@calysteon(SecuRing), Kirin@@Pwnrin(SecuRing), Wojciech Regula(SecuRing), Joshua Jewett@@JoshJewett33, Ilya Andr (andrd3v)(Voynich Group), Ilias Morad (A2nkF)(Voynich Group), Duy Trần@@khanhduytran0, @@hugeBlack, Gergely Kalman@@gergely_kalman, Andrei Dodu, Morris Richman@@morrisinlife, Luke Roberts@@rookuu, Pedro Tôrres@@t0rr3sp3dr0, webb, Thomas Espach, @@hamayanhamayan, Yeonghyeon Choi, Daniel Rhea, Söhnke Benedikt Fischedick (Tripton), Emrovsky & Switch3301, Yevhen Pervushyn, Minse Kim, Narcis Oliveras Fontàs, Nathaniel Oh@@calysteon, Hongze Wu(Ant Group Infrastructure Security Team), Shuaike Dong(Ant Group Infrastructure Security Team), greenbynox, Arni Hardarson, Gongyu Ma@@Mezone0

Affected Software

12 affected componentsFixes available
Apache HTTP Server>=2.4.0<=2.4.65
Microsoft azl3 httpd 2.4.65-1
Microsoft cbl2 httpd 2.4.65-1
Apache HTTP Server>=2.4.0<2.4.66
Microsoft azl3 httpd 2.4.65-1
Patch available
Microsoft cbl2 httpd 2.4.65-1
Patch available
F5 F5OS-A>=1.8.0<=1.8.3, >=1.5.1<=1.5.4
F5 F5OS-C>=1.8.0<=1.8.2, >=1.6.0<=1.6.4
Apple macOS Sequoia<15.7.5
15.7.5
Apple macOS Sonoma<14.8.5
14.8.5
Apple macOS Tahoe<26.4
26.4
debian/apache2<=2.4.62-1~deb11u1
2.4.67-1~deb11u12.4.67-1~deb12u22.4.67-1~deb13u22.4.67-1

Event History

Dec 5, 2025
CVE Published
via MITRE·10:46 AM
Data Sourced
via MITRE·10:46 AM
DescriptionWeakness
Data Sourced
via Red Hat·11:01 AM
DescriptionSeverityAffected Software
Data Sourced
via NVD·11:15 AM
DescriptionSeverityWeaknessAffected Software
Dec 7, 2025
Data Sourced
via Microsoft·01:03 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·01:03 AM
Affected Software
Updated
via Microsoft·01:03 AM
DescriptionSeverity
Updated
via Microsoft·09:03 AM
DescriptionSeverity
Mar 24, 2026
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeakness
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
Affected Software
Apr 2, 2026
Advisory Published
via F5·04:40 PM
Data Sourced
via F5·04:40 PM
DescriptionSeverityWeaknessAffected Software
May 28, 2026
Data Sourced
via Ubuntu·06:16 PM
RemedyDescriptionSeverityAffected Software
Data Sourced
via Debian·06:17 PM
DescriptionAffected Software
Data Sourced
via Launchpad·06:17 PM
Description

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is the severity of CVE-2025-65082?

CVE-2025-65082 is considered a medium-severity vulnerability affecting Apache HTTP Server.

2

How do I fix CVE-2025-65082?

To fix CVE-2025-65082, upgrade Apache HTTP Server to version 2.4.66 or later.

3

Which versions of Apache HTTP Server are affected by CVE-2025-65082?

CVE-2025-65082 affects Apache HTTP Server versions from 2.4.0 to 2.4.65.

4

What type of vulnerability is CVE-2025-65082?

CVE-2025-65082 is an improper neutralization of escape, meta, or control sequences vulnerability.

5

What impact does CVE-2025-65082 have on CGI programs?

CVE-2025-65082 can lead to unexpected behavior in CGI programs due to environment variables being incorrectly set.

Company

Resources

Contact

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