CVE-2007-1889

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-04-06 · updated 2026-06-16

Description

Integer signedness error in the _zend_mm_alloc_int function in the Zend Memory Manager in PHP 5.2.0 allows remote attackers to execute arbitrary code via a large emalloc request, related to an incorrect signed long cast, as demonstrated via the HTTP SOAP client in PHP, and via a call to msg_receive with the largest positive integer value of maxsize.

Affected products

PHP: 5.2.0

References

http://secunia.com/advisories/25056
http://secunia.com/advisories/25062
http://www.debian.org/security/2007/dsa-1283
http://www.novell.com/linux/security/advisories/2007_32_php.html
http://www.php-security.org/MOPB/MOPB-43-2007.html
http://www.php-security.org/MOPB/MOPB-44-2007.html
http://www.securityfocus.com/bid/23238
https://exchange.xforce.ibmcloud.com/vulnerabilities/33770
http://secunia.com/advisories/25056
http://secunia.com/advisories/25062
http://www.debian.org/security/2007/dsa-1283
http://www.novell.com/linux/security/advisories/2007_32_php.html

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