From 96449cfeaeb95fcfd7a2b8d9ccf7719e97471ed1 Author: Michael Niedermayer Date: Mon Apr 8 18:38:42 2024 +0200 Subject: avcodec/mpegvideo_enc: Fix 1 line and one column images References: CVE-2024-32230 References: bsc#1227296 Upstream: Backport from upstream Fixes: Ticket10952 Fixes: poc21ffmpeg Signed-off-by: Michael Niedermayer --- ffmpeg-5.1.4/libavcodec/mpegvideo_enc.c +++ ffmpeg-5.1.4_new/libavcodec/mpegvideo_enc.c @@ -1087,8 +1087,8 @@ int dst_stride = i ? s->uvlinesize : s->linesize; int h_shift = i ? h_chroma_shift : 0; int v_shift = i ? v_chroma_shift : 0; - int w = s->width >> h_shift; - int h = s->height >> v_shift; + int w = AV_CEIL_RSHIFT(s->width , h_shift); + int h = AV_CEIL_RSHIFT(s->height, v_shift); uint8_t *src = pic_arg->data[i]; uint8_t *dst = pic->f->data[i]; int vpad = 16;