--- /dev/null
+From 2217022b7d1142738656d891e00b3d2d9179b796 Mon Sep 17 00:00:00 2001
+From: Thomas Klausner <tk@giga.or.at>
+Date: Mon, 14 Aug 2017 10:55:44 +0200
+Subject: [PATCH] Fix double free().
+
+Found by Brian 'geeknik' Carpenter using AFL.
+---
+ THANKS | 1 +
+ lib/zip_dirent.c | 3 ---
+ 2 files changed, 1 insertion(+), 3 deletions(-)
+
+diff --git a/THANKS b/THANKS
+index be0cca9..a80ee1d 100644
+--- a/THANKS
++++ b/THANKS
+@@ -12,6 +12,7 @@ BALATON Zoltan <balaton@eik.bme.hu>
+ Benjamin Gilbert <bgilbert@backtick.net>
+ Boaz Stolk <bstolk@aweta.nl>
+ Bogdan <bogiebog@gmail.com>
++Brian 'geeknik' Carpenter <geeknik@protonmail.ch>
+ Chris Nehren <cnehren+libzip@pobox.com>
+ Coverity <info@coverity.com>
+ Dane Springmeyer <dane.springmeyer@gmail.com>
+diff --git a/lib/zip_dirent.c b/lib/zip_dirent.c
+index a369900..e5a7cc9 100644
+--- a/lib/zip_dirent.c
++++ b/lib/zip_dirent.c
+@@ -579,9 +579,6 @@ _zip_dirent_read(zip_dirent_t *zde, zip_source_t *src, zip_buffer_t *buffer, boo
+ }
+
+ if (!_zip_dirent_process_winzip_aes(zde, error)) {
+- if (!from_buffer) {
+- _zip_buffer_free(buffer);
+- }
+ return -1;
+ }
+
\ No newline at end of file
--- /dev/null
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+inherit autotools
+
+DESCRIPTION="Library for manipulating zip archives"
+HOMEPAGE="http://www.nih.at/libzip/"
+SRC_URI="http://www.nih.at/libzip/${P}.tar.xz"
+
+LICENSE="BSD"
+SLOT="0/5"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~sparc ~x86 ~amd64-fbsd ~x86-fbsd ~amd64-linux ~x86-linux ~x86-macos"
+IUSE="static-libs"
+
+RDEPEND="
+ sys-libs/zlib
+ elibc_musl? ( sys-libs/fts-standalone )
+"
+DEPEND="${RDEPEND}"
+
+DOCS=( AUTHORS NEWS.md API-CHANGES THANKS )
+
+PATCHES=(
+ "${FILESDIR}/${P}-headers.patch"
+ "${FILESDIR}/${P}-fts.patch"
+ "${FILESDIR}/${P}-CVE-2017-12858.patch"
+)
+
+src_prepare() {
+ default
+ eautoreconf
+}
+
+src_install() {
+ default
+ use static-libs || rm "${ED%/}"/usr/$(get_libdir)/libzip.a || die
+ find "${D}" -name '*.la' -delete || die
+}