1 files changed, 48 insertions, 0 deletions
diff --git a/gnu/packages/patches/openjpeg-use-after-free-fix.patch b/gnu/packages/patches/openjpeg-use-after-free-fix.patch
new file mode 100644
index 0000000000..1a9cb1ae1d
--- /dev/null
+++ b/gnu/packages/patches/openjpeg-use-after-free-fix.patch
@@ -0,0 +1,48 @@
+From 940100c28ae28931722290794889cf84a92c5f6f Mon Sep 17 00:00:00 2001
+From: mayeut <mayeut@users.noreply.github.com>
+Date: Sun, 6 Sep 2015 17:24:03 +0200
+Subject: [PATCH] Fix potential use-after-free in opj_j2k_write_mco function
+
+Fixes #563
+---
+ src/lib/openjp2/j2k.c | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/src/lib/openjp2/j2k.c b/src/lib/openjp2/j2k.c
+index 19a48f5..d487d89 100644
+--- a/src/lib/openjp2/j2k.c
++++ b/src/lib/openjp2/j2k.c
+@@ -5559,8 +5559,7 @@ static OPJ_BOOL opj_j2k_write_mco(     opj_j2k_t *p_j2k,
+         assert(p_stream != 00);
+ 
+         l_tcp =&(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]);
+-        l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
+-
++	
+         l_mco_size = 5 + l_tcp->m_nb_mcc_records;
+         if (l_mco_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
+ 
+@@ -5575,6 +5574,8 @@ static OPJ_BOOL opj_j2k_write_mco(     opj_j2k_t *p_j2k,
+                 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
+                 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mco_size;
+         }
++        l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
++
+ 
+         opj_write_bytes(l_current_data,J2K_MS_MCO,2);                   /* MCO */
+         l_current_data += 2;
+@@ -5586,10 +5587,9 @@ static OPJ_BOOL opj_j2k_write_mco(     opj_j2k_t *p_j2k,
+         ++l_current_data;
+ 
+         l_mcc_record = l_tcp->m_mcc_records;
+-        for     (i=0;i<l_tcp->m_nb_mcc_records;++i) {
++        for (i=0;i<l_tcp->m_nb_mcc_records;++i) {
+                 opj_write_bytes(l_current_data,l_mcc_record->m_index,1);/* Imco -> use the mcc indicated by 1*/
+                 ++l_current_data;
+-
+                 ++l_mcc_record;
+         }
+ 
+-- 
+2.5.0
+