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| author | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2022-04-15 11:53:07 +0200 |
|---|---|---|
| committer | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2022-04-28 01:18:04 +0200 |
| commit | a7e8b0f360d0a7c84604e38759b24fa54e3349c7 (patch) | |
| tree | d90e232cf7cdf84e2a2e535e11f261a00e481e17 /libavcodec/pgxdec.c | |
| parent | 14b74610d7e6e471801fe755aa0840c9f2d4ecb4 (diff) | |
| download | ffmpeg-a7e8b0f360d0a7c84604e38759b24fa54e3349c7.tar.gz | |
avcodec/pgxdec: Make better use of size check
Each of the three calls to pgx_get_number() consumes at least two bytes.
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Diffstat (limited to 'libavcodec/pgxdec.c')
| -rw-r--r-- | libavcodec/pgxdec.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/libavcodec/pgxdec.c b/libavcodec/pgxdec.c index 899e7a9994..154a683b4f 100644 --- a/libavcodec/pgxdec.c +++ b/libavcodec/pgxdec.c @@ -56,9 +56,8 @@ static int pgx_decode_header(AVCodecContext *avctx, GetByteContext *g, { int byte; - if (bytestream2_get_bytes_left(g) < 6) { + if (bytestream2_get_bytes_left(g) < 12) return AVERROR_INVALIDDATA; - } bytestream2_skip(g, 6); |