CVE-2007-6422

The balancer_handler function in mod_proxy_balancer in the Apache HTTP Server 2.2.0 through 2.2.6...

4.0 MediumFix available

The balancer_handler function in mod_proxy_balancer in the Apache HTTP Server 2.2.0 through 2.2.6, when a threaded Multi-Processing Module is used, allows remote authenticated users to cause a denial of service (child process crash) via an invalid bb variable.

Exploit likelihood

9.95%Up 5.6 points since Feb 4, 2022

What each source reports

NVD Score used 4.0

Record: CVE-2007-6422
CVSS 2.0: 4.0 MediumAV:N/AC:L/Au:S/C:N/I:N/A:P
Weakness: CWE-399
Updated: 2026-11-02

CVE List No score

Record: CVE-2007-6422
Updated: 2026-11-02

EUVDEUVD-2007-6388 No score

Record: EUVD-2007-6388
Updated: 2026-11-03

GitHub AdvisoriesGHSA-qmrc-358m-f76x No score

The balancer_handler function in mod_proxy_balancer in the Apache HTTP Server 2.2.0 through 2.2.6...

Record: GHSA-qmrc-358m-f76x
Updated: 2026-11-02

OSVBELL-CVE-2007-6422 4.0

CVE-2007-6422 does not affect BellSoft software

Record: BELL-CVE-2007-6422
CVSS 2.0: 4.0 MediumAV:N/AC:L/Au:S/C:N/I:N/A:P
Updated: 2026-11-02

OSV No score

Record: CVE-2007-6422
Updated: 2026-11-02

OSVDEBIAN-CVE-2007-6422 No score

Record: DEBIAN-CVE-2007-6422
Updated: 2026-11-02

OSVopenSUSE-SU-2024:10623-1 No score

apache2-2.4.49-1.1 on GA media

These are all security issues fixed in the apache2-2.4.49-1.1 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2024:10623-1
Updated: 2026-11-02

Affected products

apache http server

Affected packages

Affected packages
Package	Affected	Fixed
`apache2` Debian:12	before 2.2.8-1	2.2.8-1
`apache2` Debian:13	before 2.2.8-1	2.2.8-1
`apache2` Debian:14	before 2.2.8-1	2.2.8-1
`httpd` Red Hat:enterprise_linux:5::client_workstation From an advisory covering 6 CVEs	before 0:2.2.3-11.el5_1.3	0:2.2.3-11.el5_1.3
`httpd-debuginfo` Red Hat:enterprise_linux:5::client_workstation From an advisory covering 6 CVEs	before 0:2.2.3-11.el5_1.3	0:2.2.3-11.el5_1.3
`httpd-devel` Red Hat:enterprise_linux:5::client_workstation From an advisory covering 6 CVEs	before 0:2.2.3-11.el5_1.3	0:2.2.3-11.el5_1.3
`httpd-manual` Red Hat:enterprise_linux:5::client_workstation From an advisory covering 6 CVEs	before 0:2.2.3-11.el5_1.3	0:2.2.3-11.el5_1.3
`httpd` Red Hat:enterprise_linux:5::client From an advisory covering 6 CVEs	before 0:2.2.3-11.el5_1.3	0:2.2.3-11.el5_1.3
`httpd-debuginfo` Red Hat:enterprise_linux:5::client From an advisory covering 6 CVEs	before 0:2.2.3-11.el5_1.3	0:2.2.3-11.el5_1.3
`mod_ssl` Red Hat:enterprise_linux:5::client From an advisory covering 6 CVEs	before 1:2.2.3-11.el5_1.3	1:2.2.3-11.el5_1.3

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Affected packages
Package	Affected	Fixed
`httpd` Red Hat:enterprise_linux:5::server From an advisory covering 6 CVEs	before 0:2.2.3-11.el5_1.3	0:2.2.3-11.el5_1.3
`httpd-debuginfo` Red Hat:enterprise_linux:5::server From an advisory covering 6 CVEs	before 0:2.2.3-11.el5_1.3	0:2.2.3-11.el5_1.3
`httpd-devel` Red Hat:enterprise_linux:5::server From an advisory covering 6 CVEs	before 0:2.2.3-11.el5_1.3	0:2.2.3-11.el5_1.3
`httpd-manual` Red Hat:enterprise_linux:5::server From an advisory covering 6 CVEs	before 0:2.2.3-11.el5_1.3	0:2.2.3-11.el5_1.3
`mod_ssl` Red Hat:enterprise_linux:5::server From an advisory covering 6 CVEs	before 1:2.2.3-11.el5_1.3	1:2.2.3-11.el5_1.3
`httpd` Red Hat:rhel_application_stack:2 From an advisory covering 5 CVEs	before 0:2.2.4-9.el5s2	0:2.2.4-9.el5s2
`httpd-debuginfo` Red Hat:rhel_application_stack:2 From an advisory covering 5 CVEs	before 0:2.2.4-9.el5s2	0:2.2.4-9.el5s2
`httpd-devel` Red Hat:rhel_application_stack:2 From an advisory covering 5 CVEs	before 0:2.2.4-9.el5s2	0:2.2.4-9.el5s2
`httpd-manual` Red Hat:rhel_application_stack:2 From an advisory covering 5 CVEs	before 0:2.2.4-9.el5s2	0:2.2.4-9.el5s2
`mod_ssl` Red Hat:rhel_application_stack:2 From an advisory covering 5 CVEs	before 1:2.2.4-9.el5s2	1:2.2.4-9.el5s2
`apache2` openSUSE:Tumbleweed From an advisory covering 27 CVEs	before 2.4.49-1.1	2.4.49-1.1

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	affected, aliases, facts, references, title	GitHub Advisories, OSV
Nov 2, 2026	first indexed	CVE List, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2007-6422 is a medium vulnerability (CVSS 4.0) in Apache Http Server, published January 8, 2008. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 9.95%, the 95th percentile. Fixed in apache2 2.2.8-1.

References

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