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commit c47f085b479369dea49c14b893b3e26315e6a803 Author: Michael Niedermayer <[email protected]> AuthorDate: Sun Feb 8 02:52:54 2026 +0100 Commit: Michael Niedermayer <[email protected]> CommitDate: Tue May 5 18:54:59 2026 +0200 avcodec/adpcm: Check input buffer size Larger values will lead to integer overflows in intermediates No testcase Signed-off-by: Michael Niedermayer <[email protected]> (cherry picked from commit 5f84a7263e34ed8aa3dba30bec791a297c7140cc) 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 8aab07e334..e4b513db3d 100644 --- a/libavcodec/adpcm.c +++ b/libavcodec/adpcm.c @@ -735,6 +735,8 @@ 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 */ _______________________________________________ ffmpeg-cvslog mailing list -- [email protected] To unsubscribe send an email to [email protected]
