Possible Out of Bounds Write in ImsaClient.cpp and VideoTelephony.c Could Lead to Local Escalation of Privilege

Summary

In IMSA_Recv_Thread and VT_IMCB_Thread of ImsaClient.cpp and VideoTelephony.c, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.