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| author | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2021-11-30 09:21:35 +0100 |
|---|---|---|
| committer | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2021-12-02 07:28:47 +0100 |
| commit | f8e5e1c52333e6c330fbb4fe8ec2cb07240ca8c5 (patch) | |
| tree | 127a8c66a180930654aa58f02d30ae4f054e871d | |
| parent | 0b934f8f17c19be6b73cc5ecc9a23f7451bee5d0 (diff) | |
| download | ffmpeg-f8e5e1c52333e6c330fbb4fe8ec2cb07240ca8c5.tar.gz | |
avcodec/movtextenc: Check for too long subtitles
Reviewed-by: Philip Langdale <philipl@overt.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
| -rw-r--r-- | libavcodec/movtextenc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/movtextenc.c b/libavcodec/movtextenc.c index 46109e0a5e..eecadaf503 100644 --- a/libavcodec/movtextenc.c +++ b/libavcodec/movtextenc.c @@ -667,6 +667,8 @@ static int mov_text_encode_frame(AVCodecContext *avctx, unsigned char *buf, } } + if (s->byte_count > UINT16_MAX) + return AVERROR(ERANGE); AV_WB16(buf, s->byte_count); buf += 2; |