CVE-2007-1661
: pcre < 7.3 non-UTF-8 over-backtracking issue
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.
CVSS 2.0 · 6.4 Medium
EPSS 2.5%
KEV · Not listed
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