What’s Vulnerable › Vulnerabilities

CVE-2009-4143

• Severity: critical (CVSS 10.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2009-12-21 · updated 2026-06-16

Description

PHP before 5.2.12 does not properly handle session data, which has unspecified impact and attack vectors related to (1) interrupt corruption of the SESSION superglobal array and (2) the session.save_path directive.

Affected products

• PHP: through 5.2.11; 1.0, 2.0, 2.0b10, 3.0, 3.0.1, 3.0.2 (+101)

References

• http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html
• http://marc.info/?l=bugtraq&m=127680701405735&w=2
• http://secunia.com/advisories/37821
• http://secunia.com/advisories/38648
• http://secunia.com/advisories/40262
• http://secunia.com/advisories/41480
• http://secunia.com/advisories/41490
• http://support.apple.com/kb/HT4077
• http://www.debian.org/security/2010/dsa-2001
• http://www.itrc.hp.com/service/cki/docDisplay.do?docId=emr_na-c02512995
• http://www.mandriva.com/security/advisories?name=MDVSA-2010:045
• http://www.php.net/ChangeLog-5.php

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