In mfc_alloc_enc_roi_buffer of mfc_buf.c, there is a possible out-of-bounds write due to a heap buffer overflow. This could lead to local e…

In mfc_alloc_enc_roi_buffer of mfc_buf.c, there is a possible out-of-bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.