[FFmpeg-devel] [PATCH v2] avformat/jpegxl_anim_dec: avoid overrun with jxlp boxes in container

Leo Izen leo.izen at gmail.com
Fri Jun 16 21:35:50 EEST 2023


On 6/12/23 09:22, Leo Izen wrote:
> This switches the jpegxl_collect_codestream_header function to use
> avcodec/bytestream2, which better enforces barriers, and should avoid
> overrunning buffers with jxlp boxes if the size is zero or if the size
> is so small the box is invalid.
> 
> Signed-off-by: Leo Izen <leo.izen at gmail.com>
> ---
>   libavformat/jpegxl_anim_dec.c | 56 +++++++++++++++++++----------------
>   1 file changed, 30 insertions(+), 26 deletions(-)

Will push soon if there's no objections, as this fixes a bug.

- Leo Izen



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