third_party/libopenjpeg20/0016-read_SQcd_SQcc_overflow.patch - Issue 2071773002: openjpeg: Prevent a buffer overflow in opj_j2k_read_SQcd_SQcc.

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Side by Side Diff: third_party/libopenjpeg20/0016-read_SQcd_SQcc_overflow.patch

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

	2 index c7aa8db..b5f6fe9 100644

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

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

	5 @@ -9010,7 +9010,9 @@ static OPJ_BOOL opj_j2k_read_SQcd_SQcc(opj_j2k_t *p_j2k,

	6 p_j2k->m_specific_param.m_decoder.m_default_tcp ;

	7

	8 /* precondition again*/

	9 - assert(p_comp_no < p_j2k->m_private_image->numcomps);

	10 + if (p_comp_no >= p_j2k->m_private_image->numcomps) {

	11 + return OPJ_FALSE;

	12 + }

	13

	14 l_tccp = &l_tcp->tccps[p_comp_no];

	15 l_current_ptr = p_header_data;

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