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 7575F4B8DA for ; Thu, 18 Jul 2024 22:16:26 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 6282768DB01; Fri, 19 Jul 2024 01:16:17 +0300 (EEST) Received: from relay1-d.mail.gandi.net (relay1-d.mail.gandi.net [217.70.183.193]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id DBAA468D71D for ; Fri, 19 Jul 2024 01:16:08 +0300 (EEST) Received: by mail.gandi.net (Postfix) with ESMTPSA id 26D54240002 for ; Thu, 18 Jul 2024 22:16:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=niedermayer.cc; s=gm1; t=1721340968; 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=YvKp8y+QePXNCkezKgnMKGoWAqy6Qqfk3mM1WaMrjMw=; b=WdOW/vnWivq5ypNDjhtb6ZknxzAs6HmsDbYYEPSmrc3IAcFsm9OfFpGIRLFrayJEv+rSS5 cr8CbVK6o7tsMMxNbrg9JNBWmou3NxOwILxL5SfjUAT+XyZUez6ZXWD/n9xwuNoLwWH8Pu Yz9dtoEiVaz3bCGN6YBTf92qNrt5bXV/NpWjHftrNTWQWkZ8F2qfvqiqtqplUOPbGVcD8B O8/giyMntYGmxpBIlrXMKseT+jfncuLntESxV2Uh9zBpSFYKTeWLVjVOd3jNYhT/ck8q8J v+Awjgfpya5/qQ5StfuUJrybXacUhOr2W0ZZiakDXurWyslqMVMcaIJnirblAw== From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Fri, 19 Jul 2024 00:16:06 +0200 Message-ID: <20240718221606.3710874-2-michael@niedermayer.cc> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240718221606.3710874-1-michael@niedermayer.cc> References: <20240718221606.3710874-1-michael@niedermayer.cc> MIME-Version: 1.0 X-GND-Sasl: michael@niedermayer.cc Subject: [FFmpeg-devel] [PATCH 2/2] avcodec/pnmdec: Use 64bit for input size check 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: out of array read Fixes: poc3 Reported-by: VulDB CNA Team Signed-off-by: Michael Niedermayer --- libavcodec/pnmdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/pnmdec.c b/libavcodec/pnmdec.c index a6945549bd5..59013ada495 100644 --- a/libavcodec/pnmdec.c +++ b/libavcodec/pnmdec.c @@ -262,7 +262,7 @@ static int pnm_decode_frame(AVCodecContext *avctx, AVFrame *p, break; case AV_PIX_FMT_GBRPF32: if (!s->half) { - if (avctx->width * avctx->height * 12 > s->bytestream_end - s->bytestream) + if (avctx->width * avctx->height * 12LL > s->bytestream_end - s->bytestream) return AVERROR_INVALIDDATA; scale = 1.f / s->scale; if (s->endian) { -- 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".