unplugged-system/external/pdfium/third_party/libopenjpeg/0015-read_SPCod_SPCoc_overflow.patch

16 lines
545 B
Diff

diff --git a/third_party/libopenjpeg/j2k.c b/third_party/libopenjpeg/j2k.c
index 5e1494394..413dbdd9f 100644
--- a/third_party/libopenjpeg/j2k.c
+++ b/third_party/libopenjpeg/j2k.c
@@ -10537,6 +10537,10 @@ static OPJ_BOOL opj_j2k_read_SPCod_SPCoc(opj_j2k_t *p_j2k,
p_j2k->m_specific_param.m_decoder.m_default_tcp;
/* precondition again */
+ if (compno >= p_j2k->m_private_image->numcomps) {
+ return OPJ_FALSE;
+ }
+
assert(compno < p_j2k->m_private_image->numcomps);
l_tccp = &l_tcp->tccps[compno];