CVE-2007-1649

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 7.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2007-03-24 · updated 2026-06-16

Description

PHP 5.2.1 allows context-dependent attackers to read portions of heap memory by executing certain scripts with a serialized data input string beginning with S:, which does not properly track the number of input bytes being processed.

Affected products

PHP: 5.2.1

References

http://secunia.com/advisories/24630
http://us2.php.net/releases/5_2_2.php
http://www.mandriva.com/security/advisories?name=MDVSA-2008:126
http://www.php-security.org/MOPB/MOPB-29-2007.html
http://www.securityfocus.com/bid/23105
https://exchange.xforce.ibmcloud.com/vulnerabilities/33170
http://secunia.com/advisories/24630
http://us2.php.net/releases/5_2_2.php
http://www.mandriva.com/security/advisories?name=MDVSA-2008:126
http://www.php-security.org/MOPB/MOPB-29-2007.html
http://www.securityfocus.com/bid/23105
https://exchange.xforce.ibmcloud.com/vulnerabilities/33170

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