Module: libav Branch: release/9 Commit: fb1823e17807294ba0ab89b28f744ba73856009f
Author: Luca Barbato <[email protected]> Committer: Luca Barbato <[email protected]> Date: Thu Jun 27 03:19:05 2013 +0200 vqavideo: check the version Prevent out of buffer write. Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC: [email protected] (cherry picked from commit c4abc9098cacb227dba39bac6aea16b2bceba0d0) Signed-off-by: Luca Barbato <[email protected]> --- libavcodec/vqavideo.c | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-) diff --git a/libavcodec/vqavideo.c b/libavcodec/vqavideo.c index 841210c..b4656b8 100644 --- a/libavcodec/vqavideo.c +++ b/libavcodec/vqavideo.c @@ -135,6 +135,17 @@ static av_cold int vqa_decode_init(AVCodecContext *avctx) /* load up the VQA parameters from the header */ s->vqa_version = s->avctx->extradata[0]; + switch (s->vqa_version) { + case 1: + case 2: + break; + case 3: + av_log_missing_feature(avctx, "VQA Version 3", 0); + return AVERROR_PATCHWELCOME; + default: + av_log_missing_feature(avctx, "VQA Version", 1); + return AVERROR_PATCHWELCOME; + } s->width = AV_RL16(&s->avctx->extradata[6]); s->height = AV_RL16(&s->avctx->extradata[8]); if(av_image_check_size(s->width, s->height, 0, avctx)){ _______________________________________________ libav-commits mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-commits
