CVE-2013-7014

CVE-2013-7014 describes an integer signedness error in the FFmpeg libavcodec/pngdsp.c component, specifically within the add_bytes_l2_c function, affecting FFmpeg versions prior to 2.1. This vulnerability allows remote attackers to trigger a denial of service through an out-of-bounds array access, or potentially achieve other unspecified impacts, by providing specially crafted PNG data. With a CVSS score of 6.8, it is considered of medium severity, requiring moderate attack complexity but allowing unauthenticated network access to potentially impact confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.