PR #21683 opened by michaelni URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21683 Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21683.patch
Larger values will lead to integer overflows in intermediates No testcase Signed-off-by: Michael Niedermayer <[email protected]> >From 529ebd983d6aae9d0939669c5265dd69bfff2664 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer <[email protected]> Date: Sun, 8 Feb 2026 02:52:54 +0100 Subject: [PATCH] avcodec/adpcm: Check input buffer size Larger values will lead to integer overflows in intermediates No testcase Signed-off-by: Michael Niedermayer <[email protected]> --- libavcodec/adpcm.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/adpcm.c b/libavcodec/adpcm.c index 31340af677..bd9ad2933f 100644 --- a/libavcodec/adpcm.c +++ b/libavcodec/adpcm.c @@ -1173,6 +1173,8 @@ static int get_nb_samples(AVCodecContext *avctx, GetByteContext *gb, if(ch <= 0) return 0; + if (buf_size > INT_MAX / 2) + return 0; switch (avctx->codec->id) { /* constant, only check buf_size */ -- 2.52.0 _______________________________________________ ffmpeg-devel mailing list -- [email protected] To unsubscribe send an email to [email protected]
