{"id":"CVE-2007-1453","aliases":["DSA-1283-1","DTSA-39-1","EUVD-2007-1447","GHSA-fgqw-vvrq-jg84"],"status":"published","title":"Buffer underflow in the PHP_FILTER_TRIM_DEFAULT macro in the filtering extension (ext/filter) in...","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.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.09653,"percentile":0.95525,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2007-03-14T18:00:00Z","modified":"2026-06-16T22:37:36Z","exploits":[{"source":"exploitdb","id":"EDB-29732","title":"PHP 5.2 - EXT/Filter Function Remote Buffer Overflow","type":"remote","platform":"php","date":"2007-03-12","verified":true,"url":"https://www.exploit-db.com/exploits/29732"}],"affected":[{"source":"osv","ecosystem":"Debian:4.0","package":"php5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.2.0-8+etch3"}]}],"versions":["5.2.0-8+etch1"],"bundled":17},{"source":"osv","ecosystem":"Debian:5.0","package":"php5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.2.0-10+lenny1"}]}],"bundled":18}],"products":[{"vendor":"php","product":"php"}],"references":[{"url":"http://secunia.com/advisories/25056","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.debian.org/security/2007/dsa-1283","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred"]},{"url":"http://www.php.net/releases/5_2_1.php","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.securityfocus.com/bid/22922","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit"]},{"url":"http://www.php-security.org/MOPB/MOPB-19-2007.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://secunia.com/advisories/25062","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.novell.com/linux/security/advisories/2007_32_php.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-1453"},{"url":"https://github.com/advisories/GHSA-fgqw-vvrq-jg84"}],"sources":{"cve":[{"id":"CVE-2007-1453","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.","status":"published","published":"2007-03-14T18:00:00Z","modified":"2024-08-07T12:59:08.639Z","updated_at":"2026-11-02T13:33:52.669326Z"}],"euvd":[{"id":"EUVD-2007-1447","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.","status":"published","published":"2007-03-14T18:00:00Z","modified":"2024-08-07T12:59:08Z","updated_at":"2026-11-03T01:38:25.775166Z"}],"ghsa":[{"id":"GHSA-fgqw-vvrq-jg84","title":"Buffer underflow in the PHP_FILTER_TRIM_DEFAULT macro in the filtering extension (ext/filter) in...","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.","status":"published","published":"2022-05-01T17:53:52Z","modified":"2023-01-31T05:03:21Z","updated_at":"2026-11-02T14:48:26.919818Z"}],"nvd":[{"id":"CVE-2007-1453","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.","status":"published","published":"2007-03-14T18:19:00Z","modified":"2026-06-16T22:37:36.803Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:01:13.98711Z"}],"osv":[{"id":"DSA-1283-1","title":"php5","status":"published","published":"2007-04-29T00:00:00Z","modified":"2026-03-09T01:01:00.8697Z","updated_at":"2026-11-02T15:46:14.285228Z"},{"id":"DTSA-39-1","title":"php5 - several vulnerabilities","status":"published","published":"2007-05-28T00:00:00Z","modified":"2026-03-09T01:01:30.482688Z","updated_at":"2026-11-02T15:46:18.716547Z"}]}}