third_party/libopenjpeg20/j2k.c - Issue 2071773002: openjpeg: Prevent a buffer overflow in opj_j2k_read_SQcd_SQcc.

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Unified Diff: third_party/libopenjpeg20/j2k.c

Issue 2071773002: openjpeg: Prevent a buffer overflow in opj_j2k_read_SQcd_SQcc. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master

Patch Set: update README.pdfium for libopenjpeg20 Created 4 years, 6 months ago

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Index: third_party/libopenjpeg20/j2k.c

diff --git a/third_party/libopenjpeg20/j2k.c b/third_party/libopenjpeg20/j2k.c

index c7aa8db222676b815723cb1fd8ea4993dc708d90..b5f6fe90f52fb7b11966292cc601df6ea2009d03 100644

--- a/third_party/libopenjpeg20/j2k.c

+++ b/third_party/libopenjpeg20/j2k.c

@@ -9010,7 +9010,9 @@ 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;

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