PR #21726 opened by michaelni URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21726 Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21726.patch
Fixes: Timeout Fixes: 474457186/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PDV_fuzzer-5366108782919680 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <[email protected]> >From e33963ce220bf65f25377c62514de46c5180ce97 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer <[email protected]> Date: Tue, 10 Feb 2026 20:13:07 +0100 Subject: [PATCH] avcodec/pdvdec: Check input space before buffer allocation Fixes: Timeout Fixes: 474457186/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PDV_fuzzer-5366108782919680 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <[email protected]> --- libavcodec/pdvdec.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/pdvdec.c b/libavcodec/pdvdec.c index fffc95a530..7f41b36432 100644 --- a/libavcodec/pdvdec.c +++ b/libavcodec/pdvdec.c @@ -77,6 +77,9 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *frame, return AVERROR_INVALIDDATA; } + if (avpkt->size < avctx->width * avctx->height / (8*1032)) //Asymptotic max compression of deflate + return AVERROR_INVALIDDATA; + if ((ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF)) < 0) return ret; -- 2.52.0 _______________________________________________ ffmpeg-devel mailing list -- [email protected] To unsubscribe send an email to [email protected]
