[FFmpeg-cvslog] avcodec/cfhdenc: Height of 16 is not supported

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Fri Jul 19 23:19:52 2024 +0200| [5dde255abdeb50aefb0dcf8b060277e37d180ec6] | committer: Michael Niedermayer

avcodec/cfhdenc: Height of 16 is not supported

Fixes: out of array access
Fixes: 68941/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CFHD_fuzzer-5990952685600768

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=5dde255abdeb50aefb0dcf8b060277e37d180ec6
---

 libavcodec/cfhdenc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavcodec/cfhdenc.c b/libavcodec/cfhdenc.c
index 09fb2bd743..7084509f6e 100644
--- a/libavcodec/cfhdenc.c
+++ b/libavcodec/cfhdenc.c
@@ -257,8 +257,8 @@ static av_cold int cfhd_encode_init(AVCodecContext *avctx)
     if (ret < 0)
         return ret;
 
-    if (avctx->height < 4) {
-        av_log(avctx, AV_LOG_ERROR, "Height must be >= 4.\n");
+    if (avctx->height < 32) {
+        av_log(avctx, AV_LOG_ERROR, "Height must be >= 32.\n");
         return AVERROR_INVALIDDATA;
     }