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 8295149B34 for ; Fri, 7 Jun 2024 00:33:05 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id AC5C968D748; Fri, 7 Jun 2024 03:32:29 +0300 (EEST) Received: from relay9-d.mail.gandi.net (relay9-d.mail.gandi.net [217.70.183.199]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 718C668D72C for ; Fri, 7 Jun 2024 03:32:21 +0300 (EEST) Received: by mail.gandi.net (Postfix) with ESMTPSA id AE284FF802 for ; Fri, 7 Jun 2024 00:32:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=niedermayer.cc; s=gm1; t=1717720340; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=5W6QlzQl7pcZAcoDVOmTlqeqtNf3oWwWIONzMlhZHNM=; b=n8tbbNLuyUsH2k+/o8a7H7XCmACacfhjo88LPpVNp6avcS2zUcsHq/Iyl9sMM9C2ZnAGhW RGQMTcFVv35gWA3aOc2l8fibV8/+EUSIOwDLkfw4If7PZ0I8RTeXJKfTOV66Od9h3O9Raa 8BFQxib4WS4B0yGnTwIMTa3XKuRFOXAr0jUZGIFMII05Lny0jAyIDJb7ug7MyfmutiNicT WfwXf1/9xVu8isEiyGyK67l/jQKp1FRDDsFhu2Mjk4rRUUmhL11fGrRiU8fEQ1Saq4mrWv ohr0Vd0jO52THeSNNIaIqG2qKSuMNJ/GiAeICsd7xYhw6UG25UpZJGG1AE+I1A== From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Fri, 7 Jun 2024 02:32:15 +0200 Message-ID: <20240607003215.1723906-5-michael@niedermayer.cc> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240607003215.1723906-1-michael@niedermayer.cc> References: <20240607003215.1723906-1-michael@niedermayer.cc> MIME-Version: 1.0 X-GND-Sasl: michael@niedermayer.cc Subject: [FFmpeg-devel] [PATCH 5/5] avformat/rdt: Check pkt_len 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 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: Fixes: CID1473553 Untrusted loop bound Sponsored-by: Sovereign Tech Fund Signed-off-by: Michael Niedermayer --- libavformat/rdt.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavformat/rdt.c b/libavformat/rdt.c index 60449d256a5..2fa53d34a8d 100644 --- a/libavformat/rdt.c +++ b/libavformat/rdt.c @@ -206,6 +206,8 @@ ff_rdt_parse_header(const uint8_t *buf, int len, return -1; /* not followed by a data packet */ pkt_len = AV_RB16(buf+3); + if (pkt_len > len) + return AVERROR_INVALIDDATA; buf += pkt_len; len -= pkt_len; consumed += pkt_len; -- 2.45.2 _______________________________________________ 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".