void-packages/srcpkgs/libsndfile/patches/CVE-2017-6892.patch

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Diff

Description: Fix for CVE-2017-6892
Author: Erik de Castro Lopez
Origin: https://github.com/erikd/libsndfile/commit/f833c53cb596e9e1792949f762e0b33661822748
Applied-Upstream: https://github.com/erikd/libsndfile/commit/f833c53cb596e9e1792949f762e0b33661822748
Last-Update: 2017-06-20
---
This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
--- libsndfile.orig/src/aiff.c
+++ libsndfile/src/aiff.c
@@ -1905,7 +1905,7 @@
psf_binheader_readf (psf, "j", dword - bytesread) ;
if (map_info->channel_map != NULL)
- { size_t chanmap_size = psf->sf.channels * sizeof (psf->channel_map [0]) ;
+ { size_t chanmap_size = SF_MIN (psf->sf.channels, layout_tag & 0xffff) * sizeof (psf->channel_map [0]) ;
free (psf->channel_map) ;