opj_j2k_add_tlmarker(): validate that current tile-part number if sma…

…ller that total number of tile-parts Fixes uclouvain#1564
rouault · Nov 25, 2024 · 40d49d8 · 40d49d8
1 parent 2be5f14
commit 40d49d8
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/lib/openjp2/j2k.c b/src/lib/openjp2/j2k.c
@@ -8459,7 +8459,7 @@ static OPJ_BOOL opj_j2k_add_tlmarker(OPJ_UINT32 tileno,
     if (type == J2K_MS_SOT) {
         OPJ_UINT32 l_current_tile_part = cstr_index->tile_index[tileno].current_tpsno;
 
-        if (cstr_index->tile_index[tileno].tp_index) {
+        if (cstr_index->tile_index[tileno].tp_index && l_current_tile_part < cstr_index->tile_index[tileno].nb_tps) {
             cstr_index->tile_index[tileno].tp_index[l_current_tile_part].start_pos = pos;
         }