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Servers and applications

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 string in the library parameter. NOTE: there are limited usage scenarios under which this would be a vulnerability.

Severity
Medium 4.3
Published
14 Sept 2007
Last changed
16 Jun 2026
Added to UpHeron
14 Oct 2026
Exploit chance
1.7% in the next 30 daysHigher than 77% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Improper input validation (CWE-20)
Attack
Over the network · No login needed
Attacker can
Slow it down
CVSS vector
AV:N/AC:M/Au:N/C:N/I:N/A:P
Sources
NVD

Affected software

SoftwareAffected versions
PHPServers and applications · cpe:a:php:php
  • Every version up to 5.2.4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2007-4887
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2007-4887