[{"id":3680702,"web_url":"http://patchwork.ozlabs.org/comment/3680702/","msgid":"<1c53d27fa9a08d23111c87bb1b28097c@free.fr>","list_archive_url":null,"date":"2026-04-22T16:50:08","subject":"Re: [Buildroot] [PATCH] package/log4cxx: security bump to v1.7.0","submitter":{"id":80537,"url":"http://patchwork.ozlabs.org/api/people/80537/","name":"Julien Olivain","email":"ju.o@free.fr"},"content":"On 22/04/2026 15:54, Titouan Christophe via buildroot wrote:\n> This fixes the following vulnerability:\n> - CVE-2026-40023:\n> Apache Log4cxx's XMLLayout \n> https://logging.apache.org/log4cxx/1.7.0/c\n> lasslog4cxx_1_1xml_1_1XMLLayout.html , in versions before 1.7.0, \n> fails\n> to sanitize characters forbidden by the XML 1.0 specification\n> https://www.w3.org/TR/xml/#charsets in log messages, NDC, and MDC\n> property keys and values, producing invalid XML output. Conforming \n> XML\n> parsers must reject such documents with a fatal error, which may \n> cause\n> downstream log processing systems to drop or fail to index affected\n> records. An attacker who can influence logged data can exploit \n> this\n> to suppress individual log records, impairing audit trails and\n> detection of malicious activity. Users are advised to upgrade to\n> Apache Log4cxx 1.7.0, which fixes this issue.\n> https://www.cve.org/CVERecord?id=CVE-2026-40023\n> \n> Signed-off-by: Titouan Christophe \n\nApplied to master, thanks.","headers":{"Return-Path":"","X-Original-To":["incoming-buildroot@patchwork.ozlabs.org","buildroot@buildroot.org"],"Delivered-To":["patchwork-incoming-buildroot@legolas.ozlabs.org","buildroot@buildroot.org"],"Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=buildroot.org header.i=@buildroot.org\n header.a=rsa-sha256 header.s=default header.b=RS2JnQlf;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=buildroot.org\n (client-ip=2605:bc80:3010::138; helo=smtp1.osuosl.org;\n envelope-from=buildroot-bounces@buildroot.org; receiver=patchwork.ozlabs.org)"],"Received":["from smtp1.osuosl.org (smtp1.osuosl.org [IPv6:2605:bc80:3010::138])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g14wC2S59z1yCv\n\tfor ;\n Thu, 23 Apr 2026 02:50:19 +1000 (AEST)","from localhost (localhost [127.0.0.1])\n\tby smtp1.osuosl.org (Postfix) with ESMTP id 6EFF88097B;\n\tWed, 22 Apr 2026 16:50:17 +0000 (UTC)","from smtp1.osuosl.org ([127.0.0.1])\n by localhost (smtp1.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP\n id Rrz6eBeQGrLY; 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