From: 孙浩(晓黑) <tony...@alibaba-inc.com>
Fixes: 20170829.nsv
Co-Author: 张洪亮(望初)" <wangchu....@alibaba-inc.com>
Found-by: Xiaohei and Wangchu from Alibaba Security Team
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
libavformat/nsvdec.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/libavformat/nsvdec.c b/libavformat/nsvdec.c
index c6ddb67bbd..d8ce656817 100644
--- a/libavformat/nsvdec.c
+++ b/libavformat/nsvdec.c
@@ -335,8 +335,11 @@ static int nsv_parse_NSVf_header(AVFormatContext *s)
if (!nsv->nsvs_file_offset)
return AVERROR(ENOMEM);
- for(i=0;i<table_entries_used;i++)
+ for(i=0;i<table_entries_used;i++) {
+ if (avio_feof(pb))
+ return AVERROR_INVALIDDATA;
nsv->nsvs_file_offset[i] = avio_rl32(pb) + size;
+ }
if(table_entries > table_entries_used &&
avio_rl32(pb) == MKTAG('T','O','C','2')) {
--
2.14.1
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