{"id":"CVE-2018-20592","aliases":["DEBIAN-CVE-2018-20592","EUVD-2018-13145","GHSA-5j9x-g954-9jrp","MGASA-2019-0159","UBUNTU-CVE-2018-20592"],"status":"published","title":"In Mini-XML (aka mxml) v2.12, there is a use-after-free in the mxmlAdd function of the mxml-node...","description":"In Mini-XML (aka mxml) v2.12, there is a use-after-free in the mxmlAdd function of the mxml-node.c file. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted xml file, as demonstrated by mxmldoc.","severity":{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01492,"percentile":0.74301,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-416"],"published":"2018-12-30T18:00:00Z","modified":"2026-10-23T18:03:05Z","fixes":[{"ecosystem":"Debian:12","package":"mxml","fixed_in":["3.0-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"mxml","fixed_in":["3.0-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"mxml","fixed_in":["3.0-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"mxml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"mxml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"mxml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0-1"}]}]},{"source":"osv","ecosystem":"Mageia:6","package":"mxml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0-1.mga6"}]}],"bundled":4},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"mxml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.7-1","2.9-0ubuntu1","2.9-0ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"mxml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.10-1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"mxml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.12-2","3.1-1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"mxml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2-1","3.3-1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"mxml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.1-1","3.3.1-1build1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"mxml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.1-1build1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"mxml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.1-1build2","4.0.4-6"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"mxml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.1-1build1","3.3.1-1build2"]}],"products":[{"vendor":"fedoraproject","product":"fedora"},{"vendor":"msweet","product":"mini-xml"}],"references":[{"url":"https://github.com/ntu-sec/pocs/blob/master/mxml-53c75b0/crashes/uaf_mxml-node.c:128_1.txt.err","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","report"]},{"url":"https://github.com/ntu-sec/pocs/blob/master/mxml-53c75b0/crashes/uaf_mxml-node.c:128_2.txt.err","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","report"]},{"url":"https://github.com/michaelrsweet/mxml/issues/237","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","report"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N53IJHDYR5HVQLKH4J6B27OEQLGKSGY5/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RNWF6BAU7S42O4LE4B74KIMHFE2HDNMI/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-20592"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/N53IJHDYR5HVQLKH4J6B27OEQLGKSGY5/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RNWF6BAU7S42O4LE4B74KIMHFE2HDNMI/"},{"url":"https://github.com/advisories/GHSA-5j9x-g954-9jrp"},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-20592","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2019-0159.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=24583","tags":["report"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/N53IJHDYR5HVQLKH4J6B27OEQLGKSGY5/","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2018-20592","tags":["report"]},{"url":"https://github.com/ntu-sec/pocs/blob/master/mxml-53c75b0/crashes/uaf_mxml-node.c:128_1.txt","tags":["report"]},{"url":"https://github.com/ntu-sec/pocs/blob/master/mxml-53c75b0/crashes/uaf_mxml-node.c:128_2.txt","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-20592","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-20592","description":"In Mini-XML (aka mxml) v2.12, there is a use-after-free in the mxmlAdd function of the mxml-node.c file. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted xml file, as demonstrated by mxmldoc.","status":"published","published":"2018-12-30T18:00:00Z","modified":"2024-08-05T12:05:17.643Z","updated_at":"2026-11-02T14:34:59.872731Z"}],"euvd":[{"id":"EUVD-2018-13145","description":"In Mini-XML (aka mxml) v2.12, there is a use-after-free in the mxmlAdd function of the mxml-node.c file. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted xml file, as demonstrated by mxmldoc.","status":"published","published":"2018-12-30T18:00:00Z","modified":"2024-08-05T12:05:17Z","updated_at":"2026-11-03T02:39:30.323824Z"}],"ghsa":[{"id":"GHSA-5j9x-g954-9jrp","title":"In Mini-XML (aka mxml) v2.12, there is a use-after-free in the mxmlAdd function of the mxml-node...","description":"In Mini-XML (aka mxml) v2.12, there is a use-after-free in the mxmlAdd function of the mxml-node.c file. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted xml file, as demonstrated by mxmldoc.","status":"published","published":"2022-05-14T01:13:34Z","modified":"2023-02-02T05:03:19Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:51:37.12522Z"}],"nvd":[{"id":"CVE-2018-20592","description":"In Mini-XML (aka mxml) v2.12, there is a use-after-free in the mxmlAdd function of the mxml-node.c file. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted xml file, as demonstrated by mxmldoc.","status":"published","published":"2018-12-30T18:29:00.46Z","modified":"2026-06-17T01:53:08.847Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:04:52.056758Z"}],"osv":[{"id":"CVE-2018-20592","description":"In Mini-XML (aka mxml) v2.12, there is a use-after-free in the mxmlAdd function of the mxml-node.c file. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted xml file, as demonstrated by mxmldoc.","status":"published","published":"2018-12-30T18:29:00.46Z","modified":"2026-10-20T10:50:06.555067907Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:09.145458Z"},{"id":"DEBIAN-CVE-2018-20592","description":"In Mini-XML (aka mxml) v2.12, there is a use-after-free in the mxmlAdd function of the mxml-node.c file. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted xml file, as demonstrated by mxmldoc.","status":"published","published":"2018-12-30T18:29:00.46Z","modified":"2026-10-23T18:03:05.235683511Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:30.57382Z"},{"id":"UBUNTU-CVE-2018-20592","description":"In Mini-XML (aka mxml) v2.12, there is a use-after-free in the mxmlAdd function of the mxml-node.c file. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted xml file, as demonstrated by mxmldoc.","status":"published","published":"2018-12-30T18:29:00Z","modified":"2026-10-17T12:55:25.693749142Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:17.91743Z"},{"id":"MGASA-2019-0159","title":"Updated mxml packages fix security vulnerabilities","description":"Updated mxml packages fix security vulnerabilities:\n\nAn issue has been found in Mini-XML (aka mxml) 2.12. It is a stack-based\nbuffer overflow in mxml_write_node in mxml-file.c via vectors involving\na double-precision floating point number and the '\u003corder type=\"real\"\u003e'\nsubstring, as demonstrated by testmxml (CVE-2018-20004).\n\nAn issue has been found in Mini-XML (aka mxml) 2.12. It is a\nuse-after-free in mxmlWalkNext in mxml-search.c, as demonstrated by\nmxmldoc (CVE-2018-20005).\n\nIn Mini-XML (aka mxml) v2.12, there is a use-after-free in the mxmlAdd\nfunction of the mxml-node.c file. Remote attackers could leverage this\nvulnerability to cause a denial-of-service via a crafted xml file, as\ndemonstrated by mxmldoc (CVE-2018-20592).\n\nIn Mini-XML (aka mxml) v2.12, there is stack-based buffer overflow in\nthe scan_file function in mxmldoc.c (CVE-2018-20593).\n","status":"published","published":"2019-05-12T09:35:33Z","modified":"2026-04-16T04:43:10.700987994Z","updated_at":"2026-11-02T15:49:40.793816Z"}]}}