Servers and applications
CVE-2009-4143
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.
- Severity
- High 10.0
- Published
- 21 Dec 2009
- Last changed
- 16 Jun 2026
- Added to UpHeron
- 14 Oct 2026
- Exploit chance
- 2.9% in the next 30 daysHigher than 87% of CVEs. EPSS by FIRST, 12 Nov 2026
- Attack
- Over the network · No login needed
- Attacker can
- Read data · Change data · Take it down
- CVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
PHPServers and applications · cpe:a:php:php |
All 105 release lines
|