CVE-2005-4872

CVE-2005-4872 describes a denial-of-service vulnerability in the Perl-Compatible Regular Expression (PCRE) library, affecting versions prior to 6.2. The flaw stems from improper counting of named capturing subpatterns, leading to a buffer overflow when processing a regular expression with many such subpatterns. Rated with a CVSS score of 4.3, this vulnerability has a network attack vector and medium attack complexity, potentially resulting in a partial denial of service. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.