| diff --git a/third_party/libopenjpeg/j2k.c b/third_party/libopenjpeg/j2k.c | 
 | index 413dbdd9f..1932fe20c 100644 | 
 | --- a/third_party/libopenjpeg/j2k.c | 
 | +++ b/third_party/libopenjpeg/j2k.c | 
 | @@ -10885,7 +10885,9 @@ static OPJ_BOOL opj_j2k_read_SQcd_SQcc(opj_j2k_t *p_j2k, | 
 |              p_j2k->m_specific_param.m_decoder.m_default_tcp; | 
 |   | 
 |      /* precondition again*/ | 
 | -    assert(p_comp_no <  p_j2k->m_private_image->numcomps); | 
 | +    if (p_comp_no >=  p_j2k->m_private_image->numcomps) { | 
 | +        return OPJ_FALSE; | 
 | +    } | 
 |   | 
 |      l_tccp = &l_tcp->tccps[p_comp_no]; | 
 |      l_current_ptr = p_header_data; |