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From: Emilio Pozuelo Monfort <pochu27@gmail.com>
Date: Tue, 5 Mar 2019 11:27 +0100
Subject: Fix for CVE-2019-3832
Origin: https://github.com/erikd/libsndfile/pull/460
Applied-Upstream: https://github.com/erikd/libsndfile/commit/7408c4c788ce047d4e652b60a04e7796bcd7267e
---
This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
--- libsndfile.orig/src/wav.c
+++ libsndfile/src/wav.c
@@ -1094,6 +1094,10 @@
psf_binheader_writef (psf, "44", 0, 0) ; /* SMTPE format */
psf_binheader_writef (psf, "44", psf->instrument->loop_count, 0) ;
+ /* Make sure we don't read past the loops array end. */
+ if (psf->instrument->loop_count > ARRAY_LEN (psf->instrument->loops))
+ psf->instrument->loop_count = ARRAY_LEN (psf->instrument->loops) ;
+
for (tmp = 0 ; tmp < psf->instrument->loop_count ; tmp++)
{ int type ;
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