Message ID | 20200704124553.28582-1-michael@niedermayer.cc |
---|---|
State | Accepted |
Commit | 865a34970e73b9c23e33fd6dc6ba046d4e821519 |
Headers | show |
Series | [FFmpeg-devel,1/3] avcodec/mjpegdec: Limit bayer to single plane outputting format | expand |
Context | Check | Description |
---|---|---|
andriy/default | pending | |
andriy/make | success | Make finished |
andriy/make_fate | success | Make fate finished |
On Sat, Jul 04, 2020 at 02:45:51PM +0200, Michael Niedermayer wrote: > This reduces the number of paths reachable with DNG and should > improve security > > Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> > --- > libavcodec/mjpegdec.c | 5 +++++ > 1 file changed, 5 insertions(+) will apply [...]
diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c index cb5e2a9b9b..e7a4e08c1c 100644 --- a/libavcodec/mjpegdec.c +++ b/libavcodec/mjpegdec.c @@ -499,6 +499,11 @@ int ff_mjpeg_decode_sof(MJpegDecodeContext *s) } } + if (s->bayer) { + if (pix_fmt_id != 0x11110000 && pix_fmt_id != 0x11000000) + goto unk_pixfmt; + } + switch (pix_fmt_id) { case 0x11110000: /* for bayer-encoded huffman lossless JPEGs embedded in DNGs */ if (!s->bayer)
This reduces the number of paths reachable with DNG and should improve security Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavcodec/mjpegdec.c | 5 +++++ 1 file changed, 5 insertions(+)