{"id":"CVE-2007-1661","aliases":["DEBIAN-CVE-2007-1661","DSA-1399-1","DSA-1570-1","DTSA-77-1","EUVD-2007-1655","GHSA-759q-4q8w-5gfh"],"status":"published","title":"Perl-Compatible Regular Expression (PCRE) library before 7.3 backtracks too far when matching...","description":"Perl-Compatible Regular Expression (PCRE) library before 7.3 backtracks too far when matching certain input bytes against some regex patterns in non-UTF-8 mode, which allows context-dependent attackers to obtain sensitive information or cause a denial of service (crash), as demonstrated by the \"\\X?\\d\" and \"\\P{L}?\\d\" 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some regex patterns in non-UTF-8 mode, which allows context-dependent attackers to obtain sensitive information or cause a denial of service (crash), as demonstrated by the \"\\X?\\d\" and \"\\P{L}?\\d\" patterns.","status":"published","published":"2022-05-01T17:55:52Z","modified":"2025-04-09T03:49:13Z","updated_at":"2026-11-02T15:00:56.03294Z"}],"nvd":[{"id":"CVE-2007-1661","description":"Perl-Compatible Regular Expression (PCRE) library before 7.3 backtracks too far when matching certain input bytes against some regex patterns in non-UTF-8 mode, which allows context-dependent attackers to obtain sensitive information or cause a denial of service (crash), as demonstrated by the \"\\X?\\d\" and \"\\P{L}?\\d\" 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