$ cve CVE-2009-2626 JSON

CVE-2009-2626 EXPLOIT

6.4

MEDIUM · CVSS 2.0 · EPSS 8.3% (pctl 95)

Patch early

A public exploit exists.

Description

The zend_restore_ini_entry_cb function in zend_ini.c in PHP 5.3.0, 5.2.10, and earlier versions allows context-specific attackers to obtain sensitive information (memory contents) and cause a PHP crash by using the ini_set function to declare a variable, then using the ini_restore function to restore the variable.

Scoring

CVSS	6.4 (MEDIUM, v2.0)
Vector	AV:N/AC:L/Au:N/C:P/I:N/A:P
EPSS	8.31% — more likely to be exploited than 95% of all CVEs
On CISA KEV	no
Public exploit	yes
Published	2009-12-01
Last modified	2026-06-16

Affected (1)

Vendor	Product
php	php

Public exploits

Source	Title	Date
exploit-db	PHP 5.2.10/5.3.0 - 'ini_restore()' Memory Information Disclosure	2009-12-03
exploit-db	PHP 5.2.10/5.3 - 'ini_restore()' Memory Information Disclosure (1)	2009-08-10
exploit-db	PHP 5.2.10/5.3 - 'ini_restore()' Memory Information Disclosure (2)	2009-08-10

References

→ the Explorer · watch your stack · NVD