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author | Luca Barbato <lu_zero@gentoo.org> | 2013-06-06 16:58:57 +0200 |
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committer | Luca Barbato <lu_zero@gentoo.org> | 2013-06-16 15:54:06 +0200 |
commit | ded74ab5d1ccfef375090a0e828fa123c589083c (patch) | |
tree | c5e045711398c0021c05a34bad53a07596e23a6d /libavcodec | |
parent | f82e9deec2c2657d73731ab16c49efba5559670d (diff) | |
download | ffmpeg-ded74ab5d1ccfef375090a0e828fa123c589083c.tar.gz |
4xm: reject frames not compatible with the declared version
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
(cherry picked from commit 145023f57262d21474e35b4a6069cf95136339d4)
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
Diffstat (limited to 'libavcodec')
-rw-r--r-- | libavcodec/4xm.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavcodec/4xm.c b/libavcodec/4xm.c index 4973b41636..dbf49177e6 100644 --- a/libavcodec/4xm.c +++ b/libavcodec/4xm.c @@ -835,6 +835,9 @@ static int decode_frame(AVCodecContext *avctx, void *data, av_log(f->avctx, AV_LOG_ERROR, "cframe id mismatch %d %d\n", id, avctx->frame_number); + if (f->version <= 1) + return AVERROR_INVALIDDATA; + cfrm->size = cfrm->id = 0; frame_4cc = AV_RL32("pfrm"); } else |