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Vulnerability record · CVE-2007-1453 · published 14 March 2007

CVE-2007-1453: Php vulnerability

Php · Php

Buffer underflow in the PHP_FILTER_TRIM_DEFAULT macro in the filtering extension (ext/filter) in PHP 5.2.0 allows context-dependent attackers to execute arbitrary code by calling filter_var with certain modes such as FILTER_VALIDATE_INT, which causes filter to write a null byte in whitespace that precedes the buffer.

7.5 CVSS 2.0 High EPSS 9.5% · top 4.7%
7.5CVSS 2.0 base score
9.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
14References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

Buffer underflow in the PHP_FILTER_TRIM_DEFAULT macro in the filtering extension (ext/filter) in PHP 5.2.0 allows context-dependent attackers to execute arbitrary code by calling filter_var with certain modes such as FILTER_VALIDATE_INT, which causes filter to write a null byte in whitespace that precedes the buffer.

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

Affected products

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

References

LinkTags
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-19-2007.html
http://www.php.net/releases/5_2_1.php
http://www.securityfocus.com/bid/22922 Exploit
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-19-2007.html
http://www.php.net/releases/5_2_1.php
http://www.securityfocus.com/bid/22922 Exploit

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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-2007-1453), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.