path: root/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) {