Module: libav Branch: release/0.8 Commit: c5084a17654963565975337ec1c2e90c4df288f4
Author: Anton Khirnov <[email protected]> Committer: Reinhard Tartler <[email protected]> Date: Tue Apr 9 20:33:25 2013 +0200 rv10: check that extradata is large enough Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC:[email protected] (cherry picked from commit 01d376f598fe95478036f5d1e3e5e14ffe32d4bf) Conflicts: libavcodec/rv10.c --- libavcodec/rv10.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/libavcodec/rv10.c b/libavcodec/rv10.c index 58604d1..4f64ec2 100644 --- a/libavcodec/rv10.c +++ b/libavcodec/rv10.c @@ -341,6 +341,11 @@ static int rv20_decode_picture_header(MpegEncContext *s) f = get_bits(&s->gb, rpr_bits); if(f){ + if (s->avctx->extradata_size < 8 + 2 * f) { + av_log(s->avctx, AV_LOG_ERROR, "Extradata too small.\n"); + return AVERROR_INVALIDDATA; + } + new_w= 4*((uint8_t*)s->avctx->extradata)[6+2*f]; new_h= 4*((uint8_t*)s->avctx->extradata)[7+2*f]; }else{ _______________________________________________ libav-commits mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-commits
