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| author | Martin Storsjö <martin@martin.st> | 2013-09-19 15:12:06 +0300 |
|---|---|---|
| committer | Luca Barbato <lu_zero@gentoo.org> | 2013-10-04 03:26:29 +0200 |
| commit | 97b6916f93e6998ed787e35efc56018f9d390c55 (patch) | |
| tree | 2202b44a82e76f9fd6f70b947af8dc2f09a7f4e1 | |
| parent | ce1dacb435460dda1f9d453eaaeac44bd502aca4 (diff) | |
| download | ffmpeg-97b6916f93e6998ed787e35efc56018f9d390c55.tar.gz | |
dcadec: Validate the lfe parameter
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit a9d50bb578ec04c085a25f1e023f75e0e4499d5e)
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
| -rw-r--r-- | libavcodec/dcadec.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/dcadec.c b/libavcodec/dcadec.c index 561c30c003..eecdeaad99 100644 --- a/libavcodec/dcadec.c +++ b/libavcodec/dcadec.c @@ -582,6 +582,11 @@ static int dca_parse_frame_header(DCAContext *s) s->lfe = get_bits(&s->gb, 2); s->predictor_history = get_bits(&s->gb, 1); + if (s->lfe > 2) { + av_log(s->avctx, AV_LOG_ERROR, "Invalid LFE value: %d\n", s->lfe); + return AVERROR_INVALIDDATA; + } + /* TODO: check CRC */ if (s->crc_present) s->header_crc = get_bits(&s->gb, 16); |