Integer overflow in Perl-Compatible Regular Expression (PCRE) library
before 6.7 allows context-dependent attackers to execute arbitrary
code via a regular expression containing a large number of named
subpatterns (name_count) or long subpattern names (max_name_size),
which triggers a buffer overflow. NOTE: this issue was originally
subsumed by CVE-2006-7224, but that CVE has been REJECTED and split.
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