CVE-2007-1661 – Ubuntu Security Notice 547-1

https://notcve.org/view.php?id=CVE-2007-1661

06 Nov 2007 — 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" patterns. La librería Perl-Compatible Regular Expression (PCRE) anterior a 7.3 vuelve demasiado atrás cuando compara determinados bytes de entrada con algunos patrones de expresiones regulares e... • http://bugs.gentoo.org/show_bug.cgi?id=198976 •