CVE-2009-2626

Severity: medium (CVSS 6.4 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 8.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2009-12-01 · updated 2026-06-16

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.

Affected products

PHP: through 5.2.10; 1.0, 2.0, 2.0b10, 3.0, 3.0.1, 3.0.2 (+103)

References

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=540605
http://secunia.com/advisories/37482
http://securityreason.com/achievement_securityalert/65
http://svn.php.net/viewvc/php/php-src/branches/PHP_5_3/Zend/zend_ini.c?r1=272370&r2=284156
http://www.debian.org/security/2009/dsa-1940
http://www.securityfocus.com/bid/36009
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=540605
http://secunia.com/advisories/37482
http://securityreason.com/achievement_securityalert/65
http://svn.php.net/viewvc/php/php-src/branches/PHP_5_3/Zend/zend_ini.c?r1=272370&r2=284156
http://www.debian.org/security/2009/dsa-1940
http://www.securityfocus.com/bid/36009

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