1 files changed, 27 insertions, 0 deletions
diff --git a/debian/patches/CVE-2016-9842.diff b/debian/patches/CVE-2016-9842.diff
new file mode 100644
index 0000000..0858168
--- /dev/null
+++ b/debian/patches/CVE-2016-9842.diff
@@ -0,0 +1,27 @@
+commit e54e1299404101a5a9d0cf5e45512b543967f958
+Author: Mark Adler <madler@alumni.caltech.edu>
+Date:   Sat Sep 5 17:45:55 2015 -0700
+
+    Avoid shifts of negative values inflateMark().
+    
+    The C standard says that bit shifts of negative integers is
+    undefined.  This casts to unsigned values to assure a known
+    result.
+
+Index: b/src/zlib/inflate.c
+===================================================================
+--- a/src/zlib/inflate.c
++++ b/src/zlib/inflate.c
+@@ -1504,9 +1504,10 @@ z_streamp strm;
+ {
+     struct inflate_state FAR *state;
+ 
+-    if (strm == Z_NULL || strm->state == Z_NULL) return -1L << 16;
++    if (strm == Z_NULL || strm->state == Z_NULL)
++        return (long)(((unsigned long)0 - 1) << 16);
+     state = (struct inflate_state FAR *)strm->state;
+-    return ((long)(state->back) << 16) +
++    return (long)(((unsigned long)((long)state->back)) << 16) +
+         (state->mode == COPY ? state->length :
+             (state->mode == MATCH ? state->was - state->length : 0));
+ }