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 5d24736758576bf9c040d989fe2b72f71db2a0b2 Author: Michael Niedermayer <[email protected]> AuthorDate: Tue Apr 28 13:41:15 2026 +0200 Commit: Michael Niedermayer <[email protected]> CommitDate: Tue May 5 18:55:13 2026 +0200 avcodec/notchlc: Check 255 loops Fixes: integer overflow Signed-off-by: Michael Niedermayer <[email protected]> (cherry picked from commit 05817dc7dd269bcdb9ded330d0bbfb70511697a9) Signed-off-by: Michael Niedermayer <[email protected]> --- libavcodec/notchlc.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libavcodec/notchlc.c b/libavcodec/notchlc.c index 2901cb263a..46212b4ac9 100644 --- a/libavcodec/notchlc.c +++ b/libavcodec/notchlc.c @@ -88,6 +88,8 @@ static int lz4_decompress(AVCodecContext *avctx, unsigned char current; do { current = bytestream2_get_byte(gb); + if (current > INT_MAX - num_literals) + return AVERROR_INVALIDDATA; num_literals += current; } while (current == 255); } @@ -120,6 +122,8 @@ static int lz4_decompress(AVCodecContext *avctx, do { current = bytestream2_get_byte(gb); + if (current > INT_MAX - match_length) + return AVERROR_INVALIDDATA; match_length += current; } while (current == 255); } _______________________________________________ ffmpeg-cvslog mailing list -- [email protected] To unsubscribe send an email to [email protected]
