{"id":"CVE-2016-2099","aliases":["DEBIAN-CVE-2016-2099","DLA-467-1","DSA-3579-1","EUVD-2016-3202","GHSA-pgr8-2267-r79x","MGASA-2016-0189","SUSE-SU-2016:2154-1","UBUNTU-CVE-2016-2099","USN-4784-1","openSUSE-SU-2024:10039-1"],"status":"published","title":"Use-after-free vulnerability in validators/DTD/DTDScanner.cpp in Apache Xerces C++ 3.1.3 and...","description":"Use-after-free vulnerability in validators/DTD/DTDScanner.cpp in Apache Xerces C++ 3.1.3 and earlier allows context-dependent attackers to have unspecified impact via an invalid character in an XML document.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.06634,"percentile":0.93913,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2016-05-12T00:00:00Z","modified":"2026-09-22T07:03:04Z","fixes":[{"ecosystem":"Debian:12","package":"xerces-c","fixed_in":["3.1.3+debian-2"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"xerces-c","fixed_in":["3.1.3+debian-2"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"xerces-c","fixed_in":["3.1.3+debian-2"],"sources":["osv"]},{"ecosystem":"Debian:7","package":"xerces-c","fixed_in":["3.1.1-3+deb7u3"],"sources":["osv"]},{"ecosystem":"Debian:8","package":"xerces-c","fixed_in":["3.1.1-5.1+deb8u2"],"sources":["osv"]},{"ecosystem":"Mageia:5","package":"xerces-c","fixed_in":["3.1.2-1.2.mga5"],"sources":["osv"]},{"ecosystem":"Ubuntu:14.04:LTS","package":"xerces-c","fixed_in":["3.1.1-5.1+deb8u2build0.14.04.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:16.04:LTS","package":"xerces-c","fixed_in":["3.1.3+debian-1ubuntu0.1~esm1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"xerces-c","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.3+debian-2"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"xerces-c","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.3+debian-2"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"xerces-c","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.3+debian-2"}]}]},{"source":"osv","ecosystem":"Debian:7","package":"xerces-c","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.1-3+deb7u3"}]}],"versions":["3.1.1-3","3.1.1-3+deb7u1","3.1.1-3+deb7u2"]},{"source":"osv","ecosystem":"Debian:8","package":"xerces-c","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.1-5.1+deb8u2"}]}],"versions":["3.1.1-5.1","3.1.1-5.1+deb8u1"]},{"source":"osv","ecosystem":"Mageia:5","package":"xerces-c","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.2-1.2.mga5"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Desktop 12 SP1","package":"xerces-c","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.1-12.3"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Software Development Kit 12 SP1","package":"xerces-c","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.1-12.3"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP1","package":"xerces-c","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.1-12.3"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP1","package":"xerces-c","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.1-12.3"}]}],"bundled":2},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"xerces-c","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.1-5.1+deb8u2build0.14.04.1"}]}],"versions":["3.1.1-3","3.1.1-3ubuntu1","3.1.1-4","3.1.1-5","3.1.1-5.1~build0.14.04.1","3.1.1-5.1+deb8u1build0.14.04.1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"xerces-c","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.3+debian-1ubuntu0.1~esm1"}]}],"versions":["3.1.1-5.1","3.1.2+debian-1","3.1.3+debian-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"xerces-c","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.3+debian-1ubuntu0.1~esm1"}]}],"versions":["3.1.1-5.1","3.1.2+debian-1","3.1.3+debian-1"],"bundled":3},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"xerces-c","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.0+debian-2ubuntu0.1~esm1"}]}],"versions":["3.1.4+debian-2","3.1.4+debian-2build1","3.2.0+debian-2"],"bundled":3},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"xerces-c","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.4-1.3"}]}],"bundled":4}],"products":[{"vendor":"apache","product":"xerces-c\\+\\+"},{"vendor":"opensuse","product":"opensuse"}],"references":[{"url":"http://www.debian.org/security/2016/dsa-3579","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html","tags":["x_refsource_CONFIRM","x_transferred","advisory"]},{"url":"https://issues.apache.org/jira/browse/XERCESC-2066","tags":["x_refsource_CONFIRM","x_transferred","web","report"]},{"url":"http://www.securityfocus.com/bid/90502","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"https://security.gentoo.org/glsa/201612-46","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","advisory"]},{"url":"http://lists.opensuse.org/opensuse-updates/2016-07/msg00016.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"http://lists.opensuse.org/opensuse-updates/2016-09/msg00013.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"http://www.openwall.com/lists/oss-security/2016/05/09/7","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://lists.opensuse.org/opensuse-updates/2016-07/msg00053.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-2099"},{"url":"https://github.com/advisories/GHSA-pgr8-2267-r79x"},{"url":"https://security-tracker.debian.org/tracker/CVE-2016-2099","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2016-0189.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=18421","tags":["report"]},{"url":"https://www.debian.org/security/2016/dsa-3579","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2016/suse-su-20162154-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/979208","tags":["report"]},{"url":"https://bugzilla.suse.com/985860","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2016-2099","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-4463","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2016-2099","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2016-2099","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-4784-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2016-4463","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-12627","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2009-1885","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-0729","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2016-2099","description":"Use-after-free vulnerability in validators/DTD/DTDScanner.cpp in Apache Xerces C++ 3.1.3 and earlier allows context-dependent attackers to have unspecified impact via an invalid character in an XML document.","status":"published","published":"2016-05-13T14:00:00Z","modified":"2024-08-05T23:17:50.565Z","updated_at":"2026-11-02T14:33:33.07583Z"}],"euvd":[{"id":"EUVD-2016-3202","description":"Use-after-free vulnerability in validators/DTD/DTDScanner.cpp in Apache Xerces C++ 3.1.3 and earlier allows context-dependent attackers to have unspecified impact via an invalid character in an XML document.","status":"published","published":"2016-05-13T14:00:00Z","modified":"2024-08-05T23:17:50Z","updated_at":"2026-11-03T02:22:54.667958Z"}],"ghsa":[{"id":"GHSA-pgr8-2267-r79x","title":"Use-after-free vulnerability in validators/DTD/DTDScanner.cpp in Apache Xerces C++ 3.1.3 and...","description":"Use-after-free vulnerability in validators/DTD/DTDScanner.cpp in Apache Xerces C++ 3.1.3 and earlier allows context-dependent attackers to have unspecified impact via an invalid character in an XML document.","status":"published","published":"2022-05-14T02:08:31Z","modified":"2023-02-02T05:04:59Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T14:52:00.521272Z"}],"nvd":[{"id":"CVE-2016-2099","description":"Use-after-free vulnerability in validators/DTD/DTDScanner.cpp in Apache Xerces C++ 3.1.3 and earlier allows context-dependent attackers to have unspecified impact via an invalid character in an XML document.","status":"published","published":"2016-05-13T14:59:06.447Z","modified":"2026-06-17T00:43:25.91Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:03:25.366449Z"}],"osv":[{"id":"CVE-2016-2099","description":"Use-after-free vulnerability in validators/DTD/DTDScanner.cpp in Apache Xerces C++ 3.1.3 and earlier allows context-dependent attackers to have unspecified impact via an invalid character in an XML document.","status":"published","published":"2016-05-13T14:59:06.447Z","modified":"2026-04-16T06:16:15.342236039Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:02.114472Z"},{"id":"DEBIAN-CVE-2016-2099","description":"Use-after-free vulnerability in validators/DTD/DTDScanner.cpp in Apache Xerces C++ 3.1.3 and earlier allows context-dependent attackers to have unspecified impact via an invalid character in an XML document.","status":"published","published":"2016-05-13T14:59:06.447Z","modified":"2026-09-22T07:03:04.245019581Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:27.323751Z"},{"id":"UBUNTU-CVE-2016-2099","description":"Use-after-free vulnerability in validators/DTD/DTDScanner.cpp in Apache Xerces C++ 3.1.3 and earlier allows context-dependent attackers to have unspecified impact via an invalid character in an XML document.","status":"published","published":"2016-05-13T14:59:00Z","modified":"2026-04-22T10:32:57.124559Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:54:11.872222Z"},{"id":"DLA-467-1","title":"xerces-c - security update","status":"published","published":"2016-05-12T00:00:00Z","modified":"2026-03-09T02:09:47.332695Z","updated_at":"2026-11-02T15:46:13.207219Z"},{"id":"DSA-3579-1","title":"xerces-c - security update","status":"published","published":"2016-05-16T00:00:00Z","modified":"2026-03-09T01:22:23.009138Z","updated_at":"2026-11-02T15:46:16.199525Z"},{"id":"MGASA-2016-0189","title":"Updated xerces-c packages fix security vulnerability","description":"Gustavo Grieco discovered an use-after-free vulnerability in xerces-c, due\nto not properly handling invalid characters in XML input documents in the\nDTDScanner (CVE-2016-2099).\n","status":"published","published":"2016-05-20T11:38:30Z","modified":"2026-04-16T06:23:36.201580563Z","updated_at":"2026-11-02T15:49:39.792687Z"},{"id":"openSUSE-SU-2024:10039-1","title":"libxerces-c-3_1-3.1.4-1.3 on GA media","description":"These are all security issues fixed in the libxerces-c-3_1-3.1.4-1.3 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:18:48.144601Z","updated_at":"2026-11-02T16:58:33.135986Z"},{"id":"SUSE-SU-2016:2154-1","title":"Security update for xerces-c","description":"xerces-c was updated to fix one security issue.\n\nThis security issue was fixed:\n- CVE-2016-2099: Use-after-free vulnerability in validators/DTD/DTDScanner.cpp in Apache Xerces C++ did not properly handle exceptions raised in the XMLReader class, which allowed context-dependent attackers to have unspecified impact via an invalid character in an XML document (bsc#979208).\n- CVE-2016-4463: Apache Xerces-C XML Parser crashed on malformed DTD (bnc#985860).\n  ","status":"published","published":"2016-08-25T10:58:13Z","modified":"2026-02-04T02:39:33.094643Z","updated_at":"2026-11-02T15:53:43.438985Z"},{"id":"USN-4784-1","title":"xerces-c vulnerabilities","description":"It was discovered that Xerces-C++ XML Parser mishandles certain kinds of\nexternal DTD references, resulting in a user-after-free. An attacker could\nuse this vulnerability to cause a denial of service (crash) or possibly\nexecute arbitrary code. This issue affected only Ubuntu 16.04 ESM.\n(CVE-2016-2099)\n\nIt was discovered that Xerces-C++ XML Parser fails to successfully parse a\nDTD that is too deeply nested. An unauthenticated attacker could use this\nvulnerability to cause a denial of service. This issue affected only Ubuntu\n16.04 ESM. (CVE-2016-4463)\n\nIt was discovered that Xerces-C++ mishandles certain kinds of external DTD\nreferences, resulting in dereference of a NULL pointer. An attacker could\nuse this vulnerability to cause a denial of service. (CVE-2017-12627)","status":"published","published":"2021-03-15T21:00:57Z","modified":"2026-06-25T13:30:25.118176081Z","updated_at":"2026-11-02T16:58:15.159055Z"}]}}