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Vulnerability record · CVE-2007-1649 · published 24 March 2007

CVE-2007-1649: Php vulnerability

Php · Php

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.

7.8 CVSS 2.0 High EPSS 7.2% · top 5.9%
7.8CVSS 2.0 base score
7.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References, 2 tagged exploit
16 Jun 2026Last modified by NVD

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.

AV:N/AC:L/Au:N/C:C/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
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 Exploit
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 Exploit
http://www.securityfocus.com/bid/23105
https://exchange.xforce.ibmcloud.com/vulnerabilities/33170

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2007-1649), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.