CVE-2007-6422 Denial of service in n/a

What is CVE-2007-6422?

CVE-2007-6422 is a medium-severity denial of service vulnerability in Apache Http Server, published on 8 Jan 2008. Any signed-in user can exploit it over the network, with no action from the victim.

Official 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.

Weakness: CWE-399

Which versions are affected by CVE-2007-6422?

It affects 1 product.

Products include Apache Http Server.

How do I fix CVE-2007-6422?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2007-6422 being exploited?

There is no known exploitation of CVE-2007-6422 in the wild and no public exploit code.

Other vulnerabilities in Apache Http Server

• CVE-2021-42013 Apache HTTP Server Path Traversal Exploited Critical 9.8
• CVE-2024-38475 Apache HTTP Server Improper Escaping of Output Exploited Critical 9.1
• CVE-2021-40438 Apache HTTP Server-Side Request Forgery (SSRF) Exploited Critical 9.0
• CVE-2019-0211 Apache HTTP Server Privilege Escalation Exploited High 7.8
• CVE-2021-41773 Apache HTTP Server Path Traversal Exploited High 7.5

All Apache Http Server vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2007-6422, GHSA-qmrc-358m-f76x, MINI-8qjg-hfxc-j9jp.