third_party/libopenjpeg/0047-validate_opj_stream_read_data.patch

commit dea92eea8b6ab55f7eb542ea229b2c2124aa2124
Author: Even Rouault <even.rouault@spatialys.com>
Date:   Fri Jun 21 15:08:24 2024 +0200

    opj_j2k_read_sod(): validate opj_stream_read_data() return to avoid potential later heap-buffer-overflow in in opj_t1_decode_cblk when disabling strict mode
    
    Fixes #1533

diff --git a/src/lib/openjp2/j2k.c b/src/lib/openjp2/j2k.c
index 293f7579..7cdeffd7 100644
--- a/src/lib/openjp2/j2k.c
+++ b/src/lib/openjp2/j2k.c
@@ -5059,6 +5059,11 @@ static OPJ_BOOL opj_j2k_read_sod(opj_j2k_t *p_j2k,
     }
 
     if (l_current_read_size != p_j2k->m_specific_param.m_decoder.m_sot_length) {
+        if (l_current_read_size == (OPJ_SIZE_T)(-1)) {
+            /* Avoid issue of https://github.com/uclouvain/openjpeg/issues/1533 */
+            opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
+            return OPJ_FALSE;
+        }
         p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
     } else {
         p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;