CVE-2017-2640: pidgin: Out-of-bounds write in purple_markup_unescape_entity triggered by invalid XML

Severity: Critical

CVSS Score: 9.8

An out-of-bounds write flaw was found in the way Pidgin before 2.12.0 processed XML content. A malicious remote server could potentially use this flaw to crash Pidgin or execute arbitrary code in the context of the pidgin process.