From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTP id 6A58044EAF for ; Wed, 28 Dec 2022 03:20:13 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id DD2DD68BC1B; Wed, 28 Dec 2022 05:20:10 +0200 (EET) Received: from iq.passwd.hu (iq.passwd.hu [217.27.212.140]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 63F2268BC0D for ; Wed, 28 Dec 2022 05:20:04 +0200 (EET) Received: from localhost (localhost [127.0.0.1]) by iq.passwd.hu (Postfix) with ESMTP id C5BDCE840F; Wed, 28 Dec 2022 04:20:02 +0100 (CET) X-Virus-Scanned: amavisd-new at passwd.hu Received: from iq.passwd.hu ([127.0.0.1]) by localhost (iq.passwd.hu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id MWSg2eRtYUXs; Wed, 28 Dec 2022 04:20:00 +0100 (CET) Received: from bluegene.passwd.hu (localhost [127.0.0.1]) by iq.passwd.hu (Postfix) with ESMTP id 3D202E82F8; Wed, 28 Dec 2022 04:20:00 +0100 (CET) From: Marton Balint To: ffmpeg-devel@ffmpeg.org Date: Wed, 28 Dec 2022 04:19:56 +0100 Message-Id: <20221228031958.26570-1-cus@passwd.hu> X-Mailer: git-send-email 2.35.3 In-Reply-To: <76674b9a-30ff-a43-6d51-8c74dca8fa@passwd.hu> References: <76674b9a-30ff-a43-6d51-8c74dca8fa@passwd.hu> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 1/3] avformat/mxfdec: check index entry array size X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Cc: Marton Balint Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: Signed-off-by: Marton Balint --- libavformat/mxfdec.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c index e6118e141d..ad4ee15570 100644 --- a/libavformat/mxfdec.c +++ b/libavformat/mxfdec.c @@ -1198,11 +1198,15 @@ static int mxf_read_essence_container_data(void *arg, AVIOContext *pb, int tag, static int mxf_read_index_entry_array(AVIOContext *pb, MXFIndexTableSegment *segment) { int i, length; + uint32_t nb_index_entries; if (segment->temporal_offset_entries) return AVERROR_INVALIDDATA; - segment->nb_index_entries = avio_rb32(pb); + nb_index_entries = avio_rb32(pb); + if (nb_index_entries > INT_MAX) + return AVERROR_INVALIDDATA; + segment->nb_index_entries = nb_index_entries; length = avio_rb32(pb); if(segment->nb_index_entries && length < 11) -- 2.35.3 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".