What’s Vulnerable › Vulnerabilities

CVE-2007-1453

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 9.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2007-03-14 · updated 2026-06-16

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.

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

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