diff --git a/third_party/libopenjpeg20/tcd.c b/third_party/libopenjpeg20/tcd.c
index be3b84363..5757fd401 100644
--- a/third_party/libopenjpeg20/tcd.c
+++ b/third_party/libopenjpeg20/tcd.c
@@ -1065,6 +1065,9 @@ static INLINE OPJ_BOOL opj_tcd_init_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no,
                     l_current_precinct->ch = (OPJ_UINT32)((brcblkyend - tlcblkystart) >>
                                                           cblkheightexpn);
 
+                    if (l_current_precinct->cw && ((OPJ_UINT32)-1) / l_current_precinct->cw < l_current_precinct->ch) {
+                        return OPJ_FALSE;
+                    }
                     l_nb_code_blocks = l_current_precinct->cw * l_current_precinct->ch;
                     /*fprintf(stderr, "\t\t\t\t precinct_cw = %d x recinct_ch = %d\n",l_current_precinct->cw, l_current_precinct->ch);      */
                     if ((((OPJ_UINT32) - 1) / (OPJ_UINT32)sizeof_block) <