From: Michael Niedermayer <[email protected]> Fixes division by 0
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <[email protected]> --- libavcodec/jpeg2000dec.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/jpeg2000dec.c b/libavcodec/jpeg2000dec.c index c6e382b..23b051b 100644 --- a/libavcodec/jpeg2000dec.c +++ b/libavcodec/jpeg2000dec.c @@ -207,6 +207,8 @@ static int get_siz(Jpeg2000DecoderContext *s) s->cdy[i] = bytestream2_get_byteu(&s->g); if (s->cdx[i] != 1 || s->cdy[i] != 1) { av_log(s->avctx, AV_LOG_ERROR, "unsupported/ CDxy values %d %d for component %d\n", s->cdx[i], s->cdy[i], i); + if (!s->cdx[i] || !s->cdy[i]) + return AVERROR_INVALIDDATA; } } -- 1.8.2.1 _______________________________________________ libav-devel mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-devel
