| diff --git a/third_party/libopenjpeg20/j2k.c b/third_party/libopenjpeg20/j2k.c |
| index 45187e8e6..5de89cf0e 100644 |
| --- a/third_party/libopenjpeg20/j2k.c |
| +++ b/third_party/libopenjpeg20/j2k.c |
| @@ -7195,6 +7195,10 @@ static OPJ_BOOL opj_j2k_read_header_procedure( opj_j2k_t *p_j2k, |
| |
| /* read 2 bytes as the marker size */ |
| opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_marker_size,2); |
| + if (l_marker_size < 2) { |
| + opj_event_msg(p_manager, EVT_ERROR, "Invalid marker size\n"); |
| + return OPJ_FALSE; |
| + } |
| l_marker_size -= 2; /* Subtract the size of the marker ID already read */ |
| |
| /* Check if the marker size is compatible with the header data size */ |
