File openjpeg2-CVE-2016-8332.patch of Package openjpeg2

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File openjpeg2-CVE-2016-8332.patch of Package openjpeg2 (Revision b07a03705508940113201cf6e2382fe9)

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From ed4c0bcfdbd480b9d6879331999cc589e5a4779f Mon Sep 17 00:00:00 2001
From: Hans Petter Jansson <hpj@cl.no>
Date: Wed, 14 Dec 2016 21:18:50 +0100
Subject: [PATCH 2/9] CVE-2016-8332

---
 src/lib/openjp2/j2k.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/lib/openjp2/j2k.c b/src/lib/openjp2/j2k.c
index 881cc72..d6a8cab 100644
--- a/src/lib/openjp2/j2k.c
+++ b/src/lib/openjp2/j2k.c
@@ -5308,6 +5308,7 @@ OPJ_BOOL opj_j2k_read_mcc (     opj_j2k_t *p_j2k,
         OPJ_UINT32 l_nb_collections;
         OPJ_UINT32 l_nb_comps;
         OPJ_UINT32 l_nb_bytes_by_comp;
+        OPJ_BOOL l_new_mcc = OPJ_FALSE;
 
         /* preconditions */
         assert(p_header_data != 00);
@@ -5369,6 +5370,7 @@ OPJ_BOOL opj_j2k_read_mcc (     opj_j2k_t *p_j2k,
                         memset(l_mcc_record,0,(l_tcp->m_nb_max_mcc_records-l_tcp->m_nb_mcc_records) * sizeof(opj_simple_mcc_decorrelation_data_t));
                 }
                 l_mcc_record = l_tcp->m_mcc_records + l_tcp->m_nb_mcc_records;
+                l_new_mcc = OPJ_TRUE;
         }
         l_mcc_record->m_index = l_indix;
 
@@ -5504,7 +5506,9 @@ OPJ_BOOL opj_j2k_read_mcc (     opj_j2k_t *p_j2k,
                 return OPJ_FALSE;
         }
 
-        ++l_tcp->m_nb_mcc_records;
+        if (l_new_mcc) {
+                ++l_tcp->m_nb_mcc_records;
+        }
 
         return OPJ_TRUE;
 }
-- 
1.8.4.5

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File openjpeg2-CVE-2016-8332.patch of Package openjpeg2 (Revision b07a03705508940113201cf6e2382fe9)

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