PR #23029 opened by michaelni URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/23029 Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/23029.patch
Fixes: out of array access Found-by: Vishal Panchani Fix suggested by: Vishal Panchani Signed-off-by: Michael Niedermayer <[email protected]> >From e3b0fd489669546e97d91fa1ba8337bd89506465 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer <[email protected]> Date: Wed, 6 May 2026 04:15:25 +0200 Subject: [PATCH] avcodec/cbs_h266_syntax_template: tighten sh_num_tiles_in_slice_minus1 upper bound Fixes: out of array access Found-by: Vishal Panchani Fix suggested by: Vishal Panchani Signed-off-by: Michael Niedermayer <[email protected]> --- libavcodec/cbs_h266_syntax_template.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/cbs_h266_syntax_template.c b/libavcodec/cbs_h266_syntax_template.c index 98a8954943..f48dfd1024 100644 --- a/libavcodec/cbs_h266_syntax_template.c +++ b/libavcodec/cbs_h266_syntax_template.c @@ -3145,7 +3145,7 @@ static int FUNC(slice_header) (CodedBitstreamContext *ctx, RWContext *rw, if (!pps->pps_rect_slice_flag && pps->num_tiles_in_pic - current->sh_slice_address > 1) - ue(sh_num_tiles_in_slice_minus1, 0, pps->num_tiles_in_pic - 1); + ue(sh_num_tiles_in_slice_minus1, 0, pps->num_tiles_in_pic - 1 - current->sh_slice_address); else infer(sh_num_tiles_in_slice_minus1, 0); -- 2.52.0 _______________________________________________ ffmpeg-devel mailing list -- [email protected] To unsubscribe send an email to [email protected]
