diff options
Diffstat (limited to 'patches/source/freetype/freetype.CVE-2017-8287.diff')
| -rw-r--r-- | patches/source/freetype/freetype.CVE-2017-8287.diff | 31 |
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 000000000..4f4b67b1d --- /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 + |