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-rw-r--r--patches/source/freetype/freetype.CVE-2017-8287.diff31
1 files changed, 31 insertions, 0 deletions
diff --git a/patches/source/freetype/freetype.CVE-2017-8287.diff b/patches/source/freetype/freetype.CVE-2017-8287.diff
new file mode 100644
index 00000000..4f4b67b1
--- /dev/null
+++ b/patches/source/freetype/freetype.CVE-2017-8287.diff
@@ -0,0 +1,31 @@
+From 3774fc08b502c3e685afca098b6e8a195aded6a0 Mon Sep 17 00:00:00 2001
+From: Werner Lemberg <wl@gnu.org>
+Date: Sun, 26 Mar 2017 08:32:09 +0200
+Subject: * src/psaux/psobjs.c (t1_builder_close_contour): Add safety guard.
+
+Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=941
+
+diff --git a/src/psaux/psobjs.c b/src/psaux/psobjs.c
+index d18e821..0baf836 100644
+--- a/src/psaux/psobjs.c
++++ b/src/psaux/psobjs.c
+@@ -1718,6 +1718,14 @@
+ first = outline->n_contours <= 1
+ ? 0 : outline->contours[outline->n_contours - 2] + 1;
+
++ /* in malformed fonts it can happen that a contour was started */
++ /* but no points were added */
++ if ( outline->n_contours && first == outline->n_points )
++ {
++ outline->n_contours--;
++ return;
++ }
++
+ /* We must not include the last point in the path if it */
+ /* is located on the first point. */
+ if ( outline->n_points > 1 )
+--
+cgit v1.0-41-gc330
+