From 6f579cf9634cf2ec1c348b48396c998614051210 Mon Sep 17 00:00:00 2001 From: Paul B Mahol Date: Sun, 13 Oct 2019 23:21:35 +0200 Subject: [PATCH] avfilter/vf_bwdif: fix heap-buffer overflow Fixes #8261 (cherry picked from commit 8c3166e1c302c3ba80d9742ae46161c0fa8e2606) Signed-off-by: Michael Niedermayer --- libavfilter/vf_bwdif.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavfilter/vf_bwdif.c b/libavfilter/vf_bwdif.c index 37165584cf..b6aed7a450 100644 --- a/libavfilter/vf_bwdif.c +++ b/libavfilter/vf_bwdif.c @@ -343,8 +343,8 @@ static int config_props(AVFilterLink *link) if(yadif->mode&1) link->frame_rate = av_mul_q(link->src->inputs[0]->frame_rate, (AVRational){2,1}); - if (link->w < 3 || link->h < 3) { - av_log(ctx, AV_LOG_ERROR, "Video of less than 3 columns or lines is not supported\n"); + if (link->w < 3 || link->h < 4) { + av_log(ctx, AV_LOG_ERROR, "Video of less than 3 columns or 4 lines is not supported\n"); return AVERROR(EINVAL); }