This is an automated email from the git hooks/post-receive script.

Git pushed a commit to branch release/4.4
in repository ffmpeg.

commit 46d134c4c9b62cc3324093ec6d1888a9923a7451
Author:     Michael Niedermayer <[email protected]>
AuthorDate: Fri Jan 23 02:09:02 2026 +0100
Commit:     Michael Niedermayer <[email protected]>
CommitDate: Tue May 5 18:54:59 2026 +0200

    avformat/yuv4mpegen: Sanity check input packet frame dimensions
    
    Fixes: out of array access if a filter-graph is used the injects changing 
dimensions
    
    Found-by: Zhenpeng (Leo) Lin from depthfirst
    Signed-off-by: Michael Niedermayer <[email protected]>
    (cherry picked from commit b740b8587261ce13919634687fe9e250519716df)
    Signed-off-by: Michael Niedermayer <[email protected]>
---
 libavformat/yuv4mpegenc.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavformat/yuv4mpegenc.c b/libavformat/yuv4mpegenc.c
index 6b53780ba0..38f594e464 100644
--- a/libavformat/yuv4mpegenc.c
+++ b/libavformat/yuv4mpegenc.c
@@ -195,6 +195,9 @@ static int yuv4_write_packet(AVFormatContext *s, AVPacket 
*pkt)
 
     width  = st->codecpar->width;
     height = st->codecpar->height;
+    if (frame->width != width || frame->height != height)
+        return AVERROR(EINVAL);
+
 
     ptr = frame->data[0];
 

_______________________________________________
ffmpeg-cvslog mailing list -- [email protected]
To unsubscribe send an email to [email protected]

Reply via email to