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    "data": "A crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by the remote user. This issue affects Apache HTTP Server 2.4.48 and earlier. This vulnerability allows remote attackers to initiate arbitrary server-side requests on affected installations of Hewlett Packard Enterprise OneView. Authentication is not required to exploit this vulnerability.The specific flaw exists within the REST service, which listens on TCP port 443 by default. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. The server is fast, reliable and extensible through a simple API. The vulnerability stems from the mod_proxy module failing to properly validate user input. -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA256\n\n=====================================================================\n                   Red Hat Security Advisory\n\nSynopsis:          Important: httpd security update\nAdvisory ID:       RHSA-2021:3856-01\nProduct:           Red Hat Enterprise Linux\nAdvisory URL:      https://access.redhat.com/errata/RHSA-2021:3856\nIssue date:        2021-10-14\nCVE Names:         CVE-2021-40438 \n=====================================================================\n\n1. Summary:\n\nAn update for httpd is now available for Red Hat Enterprise Linux 7, Red\nHat Enterprise Linux 7.2 Advanced Update Support, Red Hat Enterprise Linux\n7.3 Advanced Update Support, Red Hat Enterprise Linux 7.4 Advanced Update\nSupport, Red Hat Enterprise Linux 7.6 Advanced Update Support, Red Hat\nEnterprise Linux 7.6 Telco Extended Update Support, Red Hat Enterprise\nLinux 7.6 Update Services for SAP Solutions, Red Hat Enterprise Linux 7.7\nAdvanced Update Support, Red Hat Enterprise Linux 7.7 Telco Extended Update\nSupport, and Red Hat Enterprise Linux 7.7 Update Services for SAP\nSolutions. \n\nRed Hat Product Security has rated this update as having a security impact\nof Important. A Common Vulnerability Scoring System (CVSS) base score,\nwhich gives a detailed severity rating, is available for each vulnerability\nfrom the CVE link(s) in the References section. \n\n2. Relevant releases/architectures:\n\nRed Hat Enterprise Linux Client Optional (v. 7) - noarch, x86_64\nRed Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch, x86_64\nRed Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64\nRed Hat Enterprise Linux Server AUS (v. 7.2) - noarch, x86_64\nRed Hat Enterprise Linux Server AUS (v. 7.3) - noarch, x86_64\nRed Hat Enterprise Linux Server AUS (v. 7.4) - noarch, x86_64\nRed Hat Enterprise Linux Server AUS (v. 7.6) - noarch, x86_64\nRed Hat Enterprise Linux Server AUS (v. 7.7) - noarch, x86_64\nRed Hat Enterprise Linux Server E4S (v. 7.6) - noarch, ppc64le, x86_64\nRed Hat Enterprise Linux Server E4S (v. 7.7) - noarch, ppc64le, x86_64\nRed Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64\nRed Hat Enterprise Linux Server Optional AUS (v. 7.2) - x86_64\nRed Hat Enterprise Linux Server Optional AUS (v. 7.3) - x86_64\nRed Hat Enterprise Linux Server Optional AUS (v. 7.4) - x86_64\nRed Hat Enterprise Linux Server Optional AUS (v. 7.6) - x86_64\nRed Hat Enterprise Linux Server Optional AUS (v. 7.7) - x86_64\nRed Hat Enterprise Linux Server Optional E4S (v. 7.6) - ppc64le, x86_64\nRed Hat Enterprise Linux Server Optional TUS (v. 7.6) - x86_64\nRed Hat Enterprise Linux Server Optional TUS (v. 7.7) - x86_64\nRed Hat Enterprise Linux Server TUS (v. 7.6) - noarch, x86_64\nRed Hat Enterprise Linux Server TUS (v. 7.7) - noarch, x86_64\nRed Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64\nRed Hat Enterprise Linux Workstation Optional (v. 7) - x86_64\n\n3. \n\nSecurity Fix(es):\n\n* httpd: mod_proxy: SSRF via a crafted request uri-path containing \"unix:\"\n(CVE-2021-40438)\n\nFor more details about the security issue(s), including the impact, a CVSS\nscore, acknowledgments, and other related information, refer to the CVE\npage(s) listed in the References section. \n\n4. Solution:\n\nFor details on how to apply this update, which includes the changes\ndescribed in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing the updated packages, the httpd daemon will be restarted\nautomatically. \n\n5. Bugs fixed (https://bugzilla.redhat.com/):\n\n2005117 - CVE-2021-40438 httpd: mod_proxy: SSRF via a crafted request uri-path containing \"unix:\"\n\n6. Package List:\n\nRed Hat Enterprise Linux Client Optional (v. 7):\n\nSource:\nhttpd-2.4.6-97.el7_9.1.src.rpm\n\nnoarch:\nhttpd-manual-2.4.6-97.el7_9.1.noarch.rpm\n\nx86_64:\nhttpd-2.4.6-97.el7_9.1.x86_64.rpm\nhttpd-debuginfo-2.4.6-97.el7_9.1.x86_64.rpm\nhttpd-devel-2.4.6-97.el7_9.1.x86_64.rpm\nhttpd-tools-2.4.6-97.el7_9.1.x86_64.rpm\nmod_ldap-2.4.6-97.el7_9.1.x86_64.rpm\nmod_proxy_html-2.4.6-97.el7_9.1.x86_64.rpm\nmod_session-2.4.6-97.el7_9.1.x86_64.rpm\nmod_ssl-2.4.6-97.el7_9.1.x86_64.rpm\n\nRed Hat Enterprise Linux ComputeNode Optional (v. 7):\n\nSource:\nhttpd-2.4.6-97.el7_9.1.src.rpm\n\nnoarch:\nhttpd-manual-2.4.6-97.el7_9.1.noarch.rpm\n\nx86_64:\nhttpd-2.4.6-97.el7_9.1.x86_64.rpm\nhttpd-debuginfo-2.4.6-97.el7_9.1.x86_64.rpm\nhttpd-devel-2.4.6-97.el7_9.1.x86_64.rpm\nhttpd-tools-2.4.6-97.el7_9.1.x86_64.rpm\nmod_ldap-2.4.6-97.el7_9.1.x86_64.rpm\nmod_proxy_html-2.4.6-97.el7_9.1.x86_64.rpm\nmod_session-2.4.6-97.el7_9.1.x86_64.rpm\nmod_ssl-2.4.6-97.el7_9.1.x86_64.rpm\n\nRed Hat Enterprise Linux Server AUS (v. 7.2):\n\nSource:\nhttpd-2.4.6-40.el7_2.7.src.rpm\n\nnoarch:\nhttpd-manual-2.4.6-40.el7_2.7.noarch.rpm\n\nx86_64:\nhttpd-2.4.6-40.el7_2.7.x86_64.rpm\nhttpd-debuginfo-2.4.6-40.el7_2.7.x86_64.rpm\nhttpd-devel-2.4.6-40.el7_2.7.x86_64.rpm\nhttpd-tools-2.4.6-40.el7_2.7.x86_64.rpm\nmod_ssl-2.4.6-40.el7_2.7.x86_64.rpm\n\nRed Hat Enterprise Linux Server AUS (v. 7.3):\n\nSource:\nhttpd-2.4.6-45.el7_3.6.src.rpm\n\nnoarch:\nhttpd-manual-2.4.6-45.el7_3.6.noarch.rpm\n\nx86_64:\nhttpd-2.4.6-45.el7_3.6.x86_64.rpm\nhttpd-debuginfo-2.4.6-45.el7_3.6.x86_64.rpm\nhttpd-devel-2.4.6-45.el7_3.6.x86_64.rpm\nhttpd-tools-2.4.6-45.el7_3.6.x86_64.rpm\nmod_ssl-2.4.6-45.el7_3.6.x86_64.rpm\n\nRed Hat Enterprise Linux Server AUS (v. 7.4):\n\nSource:\nhttpd-2.4.6-67.el7_4.7.src.rpm\n\nnoarch:\nhttpd-manual-2.4.6-67.el7_4.7.noarch.rpm\n\nx86_64:\nhttpd-2.4.6-67.el7_4.7.x86_64.rpm\nhttpd-debuginfo-2.4.6-67.el7_4.7.x86_64.rpm\nhttpd-devel-2.4.6-67.el7_4.7.x86_64.rpm\nhttpd-tools-2.4.6-67.el7_4.7.x86_64.rpm\nmod_session-2.4.6-67.el7_4.7.x86_64.rpm\nmod_ssl-2.4.6-67.el7_4.7.x86_64.rpm\n\nRed Hat Enterprise Linux Server AUS (v. 7.6):\n\nSource:\nhttpd-2.4.6-89.el7_6.2.src.rpm\n\nnoarch:\nhttpd-manual-2.4.6-89.el7_6.2.noarch.rpm\n\nx86_64:\nhttpd-2.4.6-89.el7_6.2.x86_64.rpm\nhttpd-debuginfo-2.4.6-89.el7_6.2.x86_64.rpm\nhttpd-devel-2.4.6-89.el7_6.2.x86_64.rpm\nhttpd-tools-2.4.6-89.el7_6.2.x86_64.rpm\nmod_session-2.4.6-89.el7_6.2.x86_64.rpm\nmod_ssl-2.4.6-89.el7_6.2.x86_64.rpm\n\nRed Hat Enterprise Linux Server E4S (v. 7.6):\n\nSource:\nhttpd-2.4.6-89.el7_6.2.src.rpm\n\nnoarch:\nhttpd-manual-2.4.6-89.el7_6.2.noarch.rpm\n\nppc64le:\nhttpd-2.4.6-89.el7_6.2.ppc64le.rpm\nhttpd-debuginfo-2.4.6-89.el7_6.2.ppc64le.rpm\nhttpd-devel-2.4.6-89.el7_6.2.ppc64le.rpm\nhttpd-tools-2.4.6-89.el7_6.2.ppc64le.rpm\nmod_session-2.4.6-89.el7_6.2.ppc64le.rpm\nmod_ssl-2.4.6-89.el7_6.2.ppc64le.rpm\n\nx86_64:\nhttpd-2.4.6-89.el7_6.2.x86_64.rpm\nhttpd-debuginfo-2.4.6-89.el7_6.2.x86_64.rpm\nhttpd-devel-2.4.6-89.el7_6.2.x86_64.rpm\nhttpd-tools-2.4.6-89.el7_6.2.x86_64.rpm\nmod_session-2.4.6-89.el7_6.2.x86_64.rpm\nmod_ssl-2.4.6-89.el7_6.2.x86_64.rpm\n\nRed Hat Enterprise Linux Server TUS (v. 7.6):\n\nSource:\nhttpd-2.4.6-89.el7_6.2.src.rpm\n\nnoarch:\nhttpd-manual-2.4.6-89.el7_6.2.noarch.rpm\n\nx86_64:\nhttpd-2.4.6-89.el7_6.2.x86_64.rpm\nhttpd-debuginfo-2.4.6-89.el7_6.2.x86_64.rpm\nhttpd-devel-2.4.6-89.el7_6.2.x86_64.rpm\nhttpd-tools-2.4.6-89.el7_6.2.x86_64.rpm\nmod_session-2.4.6-89.el7_6.2.x86_64.rpm\nmod_ssl-2.4.6-89.el7_6.2.x86_64.rpm\n\nRed Hat Enterprise Linux Server AUS (v. 7.7):\n\nSource:\nhttpd-2.4.6-90.el7_7.1.src.rpm\n\nnoarch:\nhttpd-manual-2.4.6-90.el7_7.1.noarch.rpm\n\nx86_64:\nhttpd-2.4.6-90.el7_7.1.x86_64.rpm\nhttpd-debuginfo-2.4.6-90.el7_7.1.x86_64.rpm\nhttpd-devel-2.4.6-90.el7_7.1.x86_64.rpm\nhttpd-tools-2.4.6-90.el7_7.1.x86_64.rpm\nmod_session-2.4.6-90.el7_7.1.x86_64.rpm\nmod_ssl-2.4.6-90.el7_7.1.x86_64.rpm\n\nRed Hat Enterprise Linux Server E4S (v. 7.7):\n\nSource:\nhttpd-2.4.6-90.el7_7.1.src.rpm\n\nnoarch:\nhttpd-manual-2.4.6-90.el7_7.1.noarch.rpm\n\nppc64le:\nhttpd-2.4.6-90.el7_7.1.ppc64le.rpm\nhttpd-debuginfo-2.4.6-90.el7_7.1.ppc64le.rpm\nhttpd-devel-2.4.6-90.el7_7.1.ppc64le.rpm\nhttpd-tools-2.4.6-90.el7_7.1.ppc64le.rpm\nmod_session-2.4.6-90.el7_7.1.ppc64le.rpm\nmod_ssl-2.4.6-90.el7_7.1.ppc64le.rpm\n\nx86_64:\nhttpd-2.4.6-90.el7_7.1.x86_64.rpm\nhttpd-debuginfo-2.4.6-90.el7_7.1.x86_64.rpm\nhttpd-devel-2.4.6-90.el7_7.1.x86_64.rpm\nhttpd-tools-2.4.6-90.el7_7.1.x86_64.rpm\nmod_session-2.4.6-90.el7_7.1.x86_64.rpm\nmod_ssl-2.4.6-90.el7_7.1.x86_64.rpm\n\nRed Hat Enterprise Linux Server TUS (v. 7.7):\n\nSource:\nhttpd-2.4.6-90.el7_7.1.src.rpm\n\nnoarch:\nhttpd-manual-2.4.6-90.el7_7.1.noarch.rpm\n\nx86_64:\nhttpd-2.4.6-90.el7_7.1.x86_64.rpm\nhttpd-debuginfo-2.4.6-90.el7_7.1.x86_64.rpm\nhttpd-devel-2.4.6-90.el7_7.1.x86_64.rpm\nhttpd-tools-2.4.6-90.el7_7.1.x86_64.rpm\nmod_session-2.4.6-90.el7_7.1.x86_64.rpm\nmod_ssl-2.4.6-90.el7_7.1.x86_64.rpm\n\nRed Hat Enterprise Linux Server (v. 7):\n\nSource:\nhttpd-2.4.6-97.el7_9.1.src.rpm\n\nnoarch:\nhttpd-manual-2.4.6-97.el7_9.1.noarch.rpm\n\nppc64:\nhttpd-2.4.6-97.el7_9.1.ppc64.rpm\nhttpd-debuginfo-2.4.6-97.el7_9.1.ppc64.rpm\nhttpd-devel-2.4.6-97.el7_9.1.ppc64.rpm\nhttpd-tools-2.4.6-97.el7_9.1.ppc64.rpm\nmod_session-2.4.6-97.el7_9.1.ppc64.rpm\nmod_ssl-2.4.6-97.el7_9.1.ppc64.rpm\n\nppc64le:\nhttpd-2.4.6-97.el7_9.1.ppc64le.rpm\nhttpd-debuginfo-2.4.6-97.el7_9.1.ppc64le.rpm\nhttpd-devel-2.4.6-97.el7_9.1.ppc64le.rpm\nhttpd-tools-2.4.6-97.el7_9.1.ppc64le.rpm\nmod_session-2.4.6-97.el7_9.1.ppc64le.rpm\nmod_ssl-2.4.6-97.el7_9.1.ppc64le.rpm\n\ns390x:\nhttpd-2.4.6-97.el7_9.1.s390x.rpm\nhttpd-debuginfo-2.4.6-97.el7_9.1.s390x.rpm\nhttpd-devel-2.4.6-97.el7_9.1.s390x.rpm\nhttpd-tools-2.4.6-97.el7_9.1.s390x.rpm\nmod_session-2.4.6-97.el7_9.1.s390x.rpm\nmod_ssl-2.4.6-97.el7_9.1.s390x.rpm\n\nx86_64:\nhttpd-2.4.6-97.el7_9.1.x86_64.rpm\nhttpd-debuginfo-2.4.6-97.el7_9.1.x86_64.rpm\nhttpd-devel-2.4.6-97.el7_9.1.x86_64.rpm\nhttpd-tools-2.4.6-97.el7_9.1.x86_64.rpm\nmod_session-2.4.6-97.el7_9.1.x86_64.rpm\nmod_ssl-2.4.6-97.el7_9.1.x86_64.rpm\n\nRed Hat Enterprise Linux Server Optional AUS (v. 7.2):\n\nx86_64:\nhttpd-debuginfo-2.4.6-40.el7_2.7.x86_64.rpm\nmod_ldap-2.4.6-40.el7_2.7.x86_64.rpm\nmod_proxy_html-2.4.6-40.el7_2.7.x86_64.rpm\nmod_session-2.4.6-40.el7_2.7.x86_64.rpm\n\nRed Hat Enterprise Linux Server Optional AUS (v. 7.3):\n\nx86_64:\nhttpd-debuginfo-2.4.6-45.el7_3.6.x86_64.rpm\nmod_ldap-2.4.6-45.el7_3.6.x86_64.rpm\nmod_proxy_html-2.4.6-45.el7_3.6.x86_64.rpm\nmod_session-2.4.6-45.el7_3.6.x86_64.rpm\n\nRed Hat Enterprise Linux Server Optional AUS (v. 7.4):\n\nx86_64:\nhttpd-debuginfo-2.4.6-67.el7_4.7.x86_64.rpm\nmod_ldap-2.4.6-67.el7_4.7.x86_64.rpm\nmod_proxy_html-2.4.6-67.el7_4.7.x86_64.rpm\n\nRed Hat Enterprise Linux Server Optional AUS (v. 7.6):\n\nx86_64:\nhttpd-debuginfo-2.4.6-89.el7_6.2.x86_64.rpm\nmod_ldap-2.4.6-89.el7_6.2.x86_64.rpm\nmod_proxy_html-2.4.6-89.el7_6.2.x86_64.rpm\n\nRed Hat Enterprise Linux Server Optional E4S (v. 7.6):\n\nppc64le:\nhttpd-debuginfo-2.4.6-89.el7_6.2.ppc64le.rpm\nmod_ldap-2.4.6-89.el7_6.2.ppc64le.rpm\nmod_proxy_html-2.4.6-89.el7_6.2.ppc64le.rpm\n\nx86_64:\nhttpd-debuginfo-2.4.6-89.el7_6.2.x86_64.rpm\nmod_ldap-2.4.6-89.el7_6.2.x86_64.rpm\nmod_proxy_html-2.4.6-89.el7_6.2.x86_64.rpm\n\nRed Hat Enterprise Linux Server Optional TUS (v. 7.6):\n\nx86_64:\nhttpd-debuginfo-2.4.6-89.el7_6.2.x86_64.rpm\nmod_ldap-2.4.6-89.el7_6.2.x86_64.rpm\nmod_proxy_html-2.4.6-89.el7_6.2.x86_64.rpm\n\nRed Hat Enterprise Linux Server Optional AUS (v. 7.7):\n\nx86_64:\nhttpd-debuginfo-2.4.6-90.el7_7.1.x86_64.rpm\nmod_ldap-2.4.6-90.el7_7.1.x86_64.rpm\nmod_proxy_html-2.4.6-90.el7_7.1.x86_64.rpm\n\nRed Hat Enterprise Linux Server Optional E4S (v. 7.6):\n\nppc64le:\nhttpd-debuginfo-2.4.6-90.el7_7.1.ppc64le.rpm\nmod_ldap-2.4.6-90.el7_7.1.ppc64le.rpm\nmod_proxy_html-2.4.6-90.el7_7.1.ppc64le.rpm\n\nx86_64:\nhttpd-debuginfo-2.4.6-90.el7_7.1.x86_64.rpm\nmod_ldap-2.4.6-90.el7_7.1.x86_64.rpm\nmod_proxy_html-2.4.6-90.el7_7.1.x86_64.rpm\n\nRed Hat Enterprise Linux Server Optional TUS (v. 7.7):\n\nx86_64:\nhttpd-debuginfo-2.4.6-90.el7_7.1.x86_64.rpm\nmod_ldap-2.4.6-90.el7_7.1.x86_64.rpm\nmod_proxy_html-2.4.6-90.el7_7.1.x86_64.rpm\n\nRed Hat Enterprise Linux Server Optional (v. 7):\n\nppc64:\nhttpd-debuginfo-2.4.6-97.el7_9.1.ppc64.rpm\nmod_ldap-2.4.6-97.el7_9.1.ppc64.rpm\nmod_proxy_html-2.4.6-97.el7_9.1.ppc64.rpm\n\nppc64le:\nhttpd-debuginfo-2.4.6-97.el7_9.1.ppc64le.rpm\nmod_ldap-2.4.6-97.el7_9.1.ppc64le.rpm\nmod_proxy_html-2.4.6-97.el7_9.1.ppc64le.rpm\n\ns390x:\nhttpd-debuginfo-2.4.6-97.el7_9.1.s390x.rpm\nmod_ldap-2.4.6-97.el7_9.1.s390x.rpm\nmod_proxy_html-2.4.6-97.el7_9.1.s390x.rpm\n\nx86_64:\nhttpd-debuginfo-2.4.6-97.el7_9.1.x86_64.rpm\nmod_ldap-2.4.6-97.el7_9.1.x86_64.rpm\nmod_proxy_html-2.4.6-97.el7_9.1.x86_64.rpm\n\nRed Hat Enterprise Linux Workstation (v. 7):\n\nSource:\nhttpd-2.4.6-97.el7_9.1.src.rpm\n\nnoarch:\nhttpd-manual-2.4.6-97.el7_9.1.noarch.rpm\n\nx86_64:\nhttpd-2.4.6-97.el7_9.1.x86_64.rpm\nhttpd-debuginfo-2.4.6-97.el7_9.1.x86_64.rpm\nhttpd-devel-2.4.6-97.el7_9.1.x86_64.rpm\nhttpd-tools-2.4.6-97.el7_9.1.x86_64.rpm\nmod_session-2.4.6-97.el7_9.1.x86_64.rpm\nmod_ssl-2.4.6-97.el7_9.1.x86_64.rpm\n\nRed Hat Enterprise Linux Workstation Optional (v. 7):\n\nx86_64:\nhttpd-debuginfo-2.4.6-97.el7_9.1.x86_64.rpm\nmod_ldap-2.4.6-97.el7_9.1.x86_64.rpm\nmod_proxy_html-2.4.6-97.el7_9.1.x86_64.rpm\n\nThese packages are GPG signed by Red Hat for security.  Our key and\ndetails on how to verify the signature are available from\nhttps://access.redhat.com/security/team/key/\n\n7. References:\n\nhttps://access.redhat.com/security/cve/CVE-2021-40438\nhttps://access.redhat.com/security/updates/classification/#important\n\n8. Contact:\n\nThe Red Hat security contact is \u003csecalert@redhat.com\u003e. More contact\ndetails at https://access.redhat.com/security/team/contact/\n\nCopyright 2021 Red Hat, Inc. \n-----BEGIN PGP SIGNATURE-----\nVersion: GnuPG v1\n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\n95kGnxWCYaA=\n=gPcK\n-----END PGP SIGNATURE-----\n\n--\nRHSA-announce mailing list\nRHSA-announce@redhat.com\nhttps://listman.redhat.com/mailman/listinfo/rhsa-announce\n. 8) - aarch64, noarch, ppc64le, s390x, x86_64\n\n3. Solution:\n\nBefore applying this update, make sure all previously released errata\nrelevant to your system have been applied. This software, such as Apache HTTP Server, is\ncommon to multiple JBoss middleware products, and is packaged under Red Hat\nJBoss Core Services to allow for faster distribution of updates, and for a\nmore consistent update experience. Refer to the Release Notes for information on the security fix\nincluded in this release. Solution:\n\nBefore applying the update, back up your existing installation, including\nall applications, configuration files, databases and database settings, and\nso on. \n\nThe References section of this erratum contains a download link for the\nupdate. You must be logged in to download the update. ==========================================================================\nUbuntu Security Notice USN-5090-4\nSeptember 28, 2021\n\napache2 regression\n==========================================================================\n\nA security issue affects these releases of Ubuntu and its derivatives:\n\n- Ubuntu 16.04 ESM\n\nSummary:\n\nUSN-5090-1 introduced a regression in Apache HTTP Server. One of the upstream\nfixes introduced a regression in UDS URIs. This update fixes the problem. \n\nOriginal advisory details:\n\n James Kettle discovered that the Apache HTTP Server HTTP/2 module\n incorrectly handled certain crafted methods. A remote attacker could\n possibly use this issue to perform request splitting or cache poisoning\n attacks. \n (CVE-2021-34798)\n \n Li Zhi Xin discovered that the Apache mod_proxy_uwsgi module incorrectly\n handled certain request uri-paths. \n This issue only affected Ubuntu 20.04 LTS and Ubuntu 21.04. If the server was configured with third-party modules, a remote\n attacker could use this issue to cause the server to crash, resulting in a\n denial of service, or possibly execute arbitrary code. (CVE-2021-39275)\n \n It was discovered that the Apache mod_proxy module incorrectly handled\n certain request uri-paths. \n (CVE-2021-40438)\n\nUpdate instructions:\n\nThe problem can be corrected by updating your system to the following\npackage versions:\n\nUbuntu 16.04 ESM:\n  apache2                         2.4.18-2ubuntu3.17+esm3\n  apache2-bin                     2.4.18-2ubuntu3.17+esm3\n\nIn general, a standard system update will make all the necessary changes",
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