CVE-2007-6422

Severity: medium (CVSS 4.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 10.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2008-01-08 · updated 2026-06-16
Weakness: CWE-399

Description

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.

Affected products

Apache HTTP Server: 2.2, 2.2.1, 2.2.2, 2.2.3, 2.2.4, 2.2.6

References

http://httpd.apache.org/security/vulnerabilities_22.html
http://lists.opensuse.org/opensuse-security-announce/2008-04/msg00004.html
http://secunia.com/advisories/28526
http://secunia.com/advisories/28749
http://secunia.com/advisories/28977
http://secunia.com/advisories/29348
http://secunia.com/advisories/29640
http://security.gentoo.org/glsa/glsa-200803-19.xml
http://securityreason.com/securityalert/3523
http://www.mandriva.com/security/advisories?name=MDVSA-2008:016
http://www.redhat.com/support/errata/RHSA-2008-0008.html
http://www.redhat.com/support/errata/RHSA-2008-0009.html

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