diff options
Diffstat (limited to 'gnu/packages/patches/freetype-CVE-2017-8287.patch')
| -rw-r--r-- | gnu/packages/patches/freetype-CVE-2017-8287.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/gnu/packages/patches/freetype-CVE-2017-8287.patch b/gnu/packages/patches/freetype-CVE-2017-8287.patch new file mode 100644 index 0000000000..d1145a87ee --- /dev/null +++ b/gnu/packages/patches/freetype-CVE-2017-8287.patch @@ -0,0 +1,44 @@ +Fix CVE-2017-8287: + +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8287 +https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=941 + +Patch copied from upstream source repository: +https://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=3774fc08b502c3e685afca098b6e8a195aded6a0 + +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: [PATCH] * src/psaux/psobjs.c (t1_builder_close_contour): Add safety + guard. + +Reported as + + https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=941 +--- + ChangeLog | 8 ++++++++ + src/psaux/psobjs.c | 8 ++++++++ + 2 files changed, 16 insertions(+) + +diff --git a/src/psaux/psobjs.c b/src/psaux/psobjs.c +index d18e821a..0baf8368 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 ) +-- +2.12.2 + |