Renren : Security Vulnerabilities, CVEs, CVSS score >= 4

Heap-based buffer overflow in RenRen Talk 2.9 allows remote attackers to execute arbitrary code via a crafted image in a chat message, as demonstrated using a PNG file.

Integer signedness error in RenRen Talk 2.9 allows remote attackers to execute arbitrary code via crafted dimensions of a skin file, leading to a heap-based buffer overflow, as demonstrated using a BMP image.