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| author | Laurent Aimar <fenrir@videolan.org> | 2011-10-01 00:44:54 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2011-10-01 20:59:20 +0200 |
| commit | c23d5261f79671a598f32be8bc403552891af24e (patch) | |
| tree | ab1405c3ad76aab3ff1a5d7968374ccebcf13d66 | |
| parent | 932b5f3cbb22b9357d60914f85675020041299e0 (diff) | |
| download | ffmpeg-c23d5261f79671a598f32be8bc403552891af24e.tar.gz | |
Check for corrupted data in avs demuxer.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 1cce7def0a8eff2e7db294b7d195a0fb1a5043b0)
| -rw-r--r-- | libavformat/avs.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/avs.c b/libavformat/avs.c index 355ae31f35..83023790d6 100644 --- a/libavformat/avs.c +++ b/libavformat/avs.c @@ -163,6 +163,8 @@ static int avs_read_packet(AVFormatContext * s, AVPacket * pkt) sub_type = avio_r8(s->pb); type = avio_r8(s->pb); size = avio_rl16(s->pb); + if (size < 4) + return AVERROR_INVALIDDATA; avs->remaining_frame_size -= size; switch (type) { |