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From 112d3bd0aaacad51305e1464d4b381dabad0e88b Mon Sep 17 00:00:00 2001
From: Thomas Daede <daede003@umn.edu>
Date: Thu, 17 May 2018 16:19:19 -0700
Subject: [PATCH] Sanity check number of channels in setup.
Fixes #2335.
---
CVE: CVE-2018-10392
Upstream-Status: Backport [gitlab.com/Xiph.Org/Vorbis/Commits/112d3bd...]
Signed-off-by: Joe Slater <joe.slater@windriver.com>
---
lib/vorbisenc.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/lib/vorbisenc.c b/lib/vorbisenc.c
index 4fc7b62..64a51b5 100644
--- a/lib/vorbisenc.c
+++ b/lib/vorbisenc.c
@@ -684,6 +684,7 @@ int vorbis_encode_setup_init(vorbis_info *vi){
highlevel_encode_setup *hi=&ci->hi;
if(ci==NULL)return(OV_EINVAL);
+ if(vi->channels<1||vi->channels>255)return(OV_EINVAL);
if(!hi->impulse_block_p)i0=1;
/* too low/high an ATH floater is nonsensical, but doesn't break anything */
--
1.7.9.5
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