third_party/libopenjpeg20/0015-read_SPCod_SPCoc_overflow.patch - Issue 2001663002: openjpeg: Prevent a buffer overflow in opj_j2k_read_SPCod_SPCoc.

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Side by Side Diff: third_party/libopenjpeg20/0015-read_SPCod_SPCoc_overflow.patch

Issue 2001663002: openjpeg: Prevent a buffer overflow in opj_j2k_read_SPCod_SPCoc. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master

Patch Set: Created 4 years, 7 months ago

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

	2 index 9056feb..c7aa8db 100644

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

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

	5 @@ -8744,7 +8744,9 @@ static OPJ_BOOL opj_j2k_read_SPCod_SPCoc( opj_j2k_t *p_j2 k,

	6 p_j2k->m_specific_param.m_decoder.m_default_tcp ;

	7

	8 /* precondition again */

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

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

	11 + return OPJ_FALSE;

	12 + }

	13

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

	15 l_current_ptr = p_header_data;

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