Multiple stack-based multiple buffer overflows in the BRWOSSRE2UC.dll ActiveX Control in Sina UC2006 and earlier allow remote attackers to execute arbitrary code via a long string in the (1) astrVerion parameter to the SendChatRoomOpt function or (2) the astrDownDir parameter to the SendDownLoadFile function.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.062
EPSS Ranking 90.5%