user/wavpack: patches for CVEs 2018-19840 & -19841

user/wavpack/APKBUILD

@@ -3,7 +3,7 @@
 # Maintainer: 
 pkgname=wavpack
 pkgver=5.1.0
-pkgrel=3
+pkgrel=4
 pkgdesc="Audio compression format with lossless, lossy, and hybrid compression modes"
 url="http://www.wavpack.com/"
 arch="all"
@@ -12,9 +12,15 @@ license="BSD-3-Clause"
 depends=""
 makedepends=""
 subpackages="$pkgname-dev $pkgname-doc"
-source="http://www.wavpack.com/$pkgname-$pkgver.tar.bz2"
+source="http://www.wavpack.com/$pkgname-$pkgver.tar.bz2
+	cve2018-19840.patch
+	cve2018-19841.patch
+	"
 
 # secfixes:
+#   5.1.0-r4:
+#   - CVE-2018-19840
+#   - CVE-2018-19840
 #   5.1.0-r0:
 #   - CVE-2016-10169
 #   - CVE-2016-10170
@@ -46,4 +52,6 @@ package() {
 	make DESTDIR="$pkgdir" install
 }
 
-sha512sums="4c31616ae63c3a875afa20f26ce935f7a8f9921e2892b4b8388eca3ccd83b2d686f43eed8b9ec1dead934a1148401b9dced3b05f509b7942c48d7af31cf80a54  wavpack-5.1.0.tar.bz2"
+sha512sums="4c31616ae63c3a875afa20f26ce935f7a8f9921e2892b4b8388eca3ccd83b2d686f43eed8b9ec1dead934a1148401b9dced3b05f509b7942c48d7af31cf80a54  wavpack-5.1.0.tar.bz2
+67d02dd744c638d126cf5a894d1ff2c39726bd4d3771ef7410ea782e5c9a0f9341909432bd4bea9b8959891c38699601c1aac2da6e0eaddaa5a4d679e7f58dd2  cve2018-19840.patch
+dba007fa8cb2537b6f6c8ee559a98e501e948260ce7e7af7d3fdc8c9145bbbbf85c8fed8030de354459c4b08d3015a0ea769a948636bdfd66e567c0a2d2493c6  cve2018-19841.patch"

user/wavpack/cve2018-19840.patch

+From 070ef6f138956d9ea9612e69586152339dbefe51 Mon Sep 17 00:00:00 2001
+From: David Bryant <david@wavpack.com>
+Date: Thu, 29 Nov 2018 21:00:42 -0800
+Subject: [PATCH] issue #53: error out on zero sample rate
+
+---
+ src/pack_utils.c | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+diff --git a/src/pack_utils.c b/src/pack_utils.c
+index 2253f0d..2a83497 100644
+--- a/src/pack_utils.c
++++ b/src/pack_utils.c
+@@ -195,6 +195,11 @@ int WavpackSetConfiguration64 (WavpackContext *wpc, WavpackConfig *config, int64
+     int num_chans = config->num_channels;
+     int i;
+ 
++    if (!config->sample_rate) {
++        strcpy (wpc->error_message, "sample rate cannot be zero!");
++        return FALSE;
++    }
++
+     wpc->stream_version = (config->flags & CONFIG_COMPATIBLE_WRITE) ? CUR_STREAM_VERS : MAX_STREAM_VERS;
+ 
+     if ((config->qmode & QMODE_DSD_AUDIO) && config->bytes_per_sample == 1 && config->bits_per_sample == 8) {

user/wavpack/cve2018-19841.patch

+From bba5389dc598a92bdf2b297c3ea34620b6679b5b Mon Sep 17 00:00:00 2001
+From: David Bryant <david@wavpack.com>
+Date: Thu, 29 Nov 2018 21:53:51 -0800
+Subject: [PATCH] issue #54: fix potential out-of-bounds heap read
+
+---
+ src/open_utils.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/src/open_utils.c b/src/open_utils.c
+index 80051fc..4fe0d67 100644
+--- a/src/open_utils.c
++++ b/src/open_utils.c
+@@ -1258,13 +1258,13 @@ int WavpackVerifySingleBlock (unsigned char *buffer, int verify_checksum)
+ #endif
+ 
+             if (meta_bc == 4) {
+-                if (*dp++ != (csum & 0xff) || *dp++ != ((csum >> 8) & 0xff) || *dp++ != ((csum >> 16) & 0xff) || *dp++ != ((csum >> 24) & 0xff))
++                if (*dp != (csum & 0xff) || dp[1] != ((csum >> 8) & 0xff) || dp[2] != ((csum >> 16) & 0xff) || dp[3] != ((csum >> 24) & 0xff))
+                     return FALSE;
+             }
+             else {
+                 csum ^= csum >> 16;
+ 
+-                if (*dp++ != (csum & 0xff) || *dp++ != ((csum >> 8) & 0xff))
++                if (*dp != (csum & 0xff) || dp[1] != ((csum >> 8) & 0xff))
+                     return FALSE;
+             }
+