{"id":"CVE-2007-1900","aliases":["DSA-1283-1","DTSA-39-1","EUVD-2007-1894","GHSA-fmjw-vr42-9fw5"],"status":"published","title":"CRLF injection vulnerability in the FILTER_VALIDATE_EMAIL filter in ext/filter in PHP 5.2.0 and 5...","description":"CRLF injection vulnerability in the FILTER_VALIDATE_EMAIL filter in ext/filter in PHP 5.2.0 and 5.2.1 allows context-dependent attackers to inject arbitrary e-mail headers via an e-mail address with a '\\n' character, which causes a regular expression to ignore the subsequent part of the address string.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02633,"percentile":0.85641,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2007-04-10T18:00:00Z","modified":"2026-06-16T22:38:31Z","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/26231","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://secunia.com/advisories/25056","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://secunia.com/advisories/27110","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.osvdb.org/33962","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://security.gentoo.org/glsa/glsa-200705-19.xml","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2007/2016","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/33510","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.gentoo.org/security/en/glsa/glsa-200710-02.xml","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6067","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://secunia.com/advisories/25062","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.php-security.org/MOPB/PMOPB-45-2007.html","tags":["x_refsource_MISC","x_transferred","Vendor 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injection vulnerability in the FILTER_VALIDATE_EMAIL filter in ext/filter in PHP 5.2.0 and 5.2.1 allows context-dependent attackers to inject arbitrary e-mail headers via an e-mail address with a '\\n' character, which causes a regular expression to ignore the subsequent part of the address string.","status":"published","published":"2007-04-10T18:00:00Z","modified":"2024-08-07T13:13:41.791Z","updated_at":"2026-11-02T13:33:41.472948Z"}],"euvd":[{"id":"EUVD-2007-1894","description":"CRLF injection vulnerability in the FILTER_VALIDATE_EMAIL filter in ext/filter in PHP 5.2.0 and 5.2.1 allows context-dependent attackers to inject arbitrary e-mail headers via an e-mail address with a '\\n' character, which causes a regular expression to ignore the subsequent part of the address string.","status":"published","published":"2007-04-10T18:00:00Z","modified":"2024-08-07T13:13:41Z","updated_at":"2026-11-03T01:38:23.856285Z"}],"ghsa":[{"id":"GHSA-fmjw-vr42-9fw5","title":"CRLF injection vulnerability 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string.","status":"published","published":"2007-04-10T18:19:00Z","modified":"2026-06-16T22:38:31.93Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:01:14.732044Z"}],"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"}]}}