CVE-2012-2855

CVE-2012-2855 describes a use-after-free vulnerability within the PDF functionality of Google Chrome, affecting versions prior to 21.0.1180.57 on Mac OS X and Linux, and prior to 21.0.1180.60 on Windows and Chrome Frame. This flaw allows remote attackers to trigger a denial of service or potentially achieve other unspecified impacts through a specially crafted PDF document. The vulnerability has a CVSS score of 6.8, indicating a medium severity with network access, medium attack complexity, and potential for partial confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, nor are there known public exploit modules in Metasploit, Nuclei, or ExploitDB. Despite its age, it has garnered some community discussion and media coverage, suggesting it was notable at the time of discovery.