{"id":"CVE-2018-18398","aliases":["DEBIAN-CVE-2018-18398","EUVD-2018-10127","GHSA-8953-rxhp-x9jm","UBUNTU-CVE-2018-18398"],"status":"published","title":"Xfce Thunar 1.6.15, when Xfce 4.12 is used, mishandles the IBus-Unikey input method for file...","description":"Xfce Thunar 1.6.15, when Xfce 4.12 is used, mishandles the IBus-Unikey input method for file searches within File Manager, leading to an out-of-bounds read and SEGV. This could potentially be exploited by an arbitrary local user who creates files in /tmp before the victim uses this input method.","severity":{"version":"3.0","score":4.7,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00322,"percentile":0.25401,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2018-10-19T22:00:00Z","modified":"2026-10-24T10:30:44Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"thunar","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.18.10-1","4.18.11-1","4.18.4-1","4.18.6-1","4.18.7-1","4.18.8-1","4.19.2-1","4.19.3-1","4.20.0-1","4.20.1-1","4.20.10-1","4.20.2-1","4.20.4-1","4.20.5-1","4.20.7-1","4.20.8-1","4.20.9-1"]},{"source":"osv","ecosystem":"Debian:13","package":"thunar","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.20.10-1","4.20.2-1","4.20.2-1+deb13u1","4.20.4-1","4.20.5-1","4.20.7-1","4.20.8-1","4.20.9-1"]},{"source":"osv","ecosystem":"Debian:14","package":"thunar","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.20.10-1","4.20.2-1","4.20.4-1","4.20.5-1","4.20.7-1","4.20.8-1","4.20.9-1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"thunar","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.10-1","1.6.10-2","1.6.10-2ubuntu1","1.6.11-0ubuntu0.16.04.1","1.6.11-0ubuntu0.16.04.2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"thunar","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.12-1","1.6.13-1","1.6.13-2","1.6.14-1","1.6.14-1ubuntu1","1.6.15-0ubuntu1","1.6.15-0ubuntu1.18.04.1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"thunar","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.8.9-1","1.8.11-1","1.8.12-1","1.8.14-0ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"thunar","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.16.8-1","4.16.10-1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"thunar","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.18.7-1","4.18.8-1","4.18.8-1build2","4.18.8-1build3"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"thunar","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.20.2-1","4.20.4-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"thunar","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.20.7-1","4.20.8-1","4.20.9-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"thunar","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.20.4-1","4.20.5-1","4.20.7-1"]}],"products":[{"vendor":"xfce","product":"thunar"},{"vendor":"xfce","product":"xfce"}],"references":[{"url":"https://0xd0ff9.wordpress.com/2018/10/18/cve-2018-18398/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-18398"},{"url":"https://github.com/advisories/GHSA-8953-rxhp-x9jm"},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-18398","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2018-18398","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-18398","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-18398","description":"Xfce Thunar 1.6.15, when Xfce 4.12 is used, mishandles the IBus-Unikey input method for file searches within File Manager, leading to an out-of-bounds read and SEGV. This could potentially be exploited by an arbitrary local user who creates files in /tmp before the victim uses this input method.","status":"published","published":"2018-10-19T22:00:00Z","modified":"2024-08-05T11:08:21.793Z","updated_at":"2026-11-02T14:35:11.799349Z"}],"euvd":[{"id":"EUVD-2018-10127","description":"Xfce Thunar 1.6.15, when Xfce 4.12 is used, mishandles the IBus-Unikey input method for file searches within File Manager, leading to an out-of-bounds read and SEGV. This could potentially be exploited by an arbitrary local user who creates files in /tmp before the victim uses this input method.","status":"published","published":"2018-10-19T22:00:00Z","modified":"2024-08-05T11:08:21Z","updated_at":"2026-11-03T02:39:36.317092Z"}],"ghsa":[{"id":"GHSA-8953-rxhp-x9jm","title":"Xfce Thunar 1.6.15, when Xfce 4.12 is used, mishandles the IBus-Unikey input method for file...","description":"Xfce Thunar 1.6.15, when Xfce 4.12 is used, mishandles the IBus-Unikey input method for file searches within File Manager, leading to an out-of-bounds read and SEGV. This could potentially be exploited by an arbitrary local user who creates files in /tmp before the victim uses this input method.","status":"published","published":"2022-05-14T01:45:51Z","modified":"2023-02-02T05:04:16Z","cvss":[{"version":"3.0","score":4.7,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:51:50.069193Z"}],"nvd":[{"id":"CVE-2018-18398","description":"Xfce Thunar 1.6.15, when Xfce 4.12 is used, mishandles the IBus-Unikey input method for file searches within File Manager, leading to an out-of-bounds read and SEGV. This could potentially be exploited by an arbitrary local user who creates files in /tmp before the victim uses this input method.","status":"published","published":"2018-10-19T22:29:01.68Z","modified":"2026-06-17T01:47:08.807Z","cvss":[{"version":"3.0","score":4.7,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":1.9,"vector":"AV:L/AC:M/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:04:46.409324Z"}],"osv":[{"id":"CVE-2018-18398","description":"Xfce Thunar 1.6.15, when Xfce 4.12 is used, mishandles the IBus-Unikey input method for file searches within File Manager, leading to an out-of-bounds read and SEGV. This could potentially be exploited by an arbitrary local user who creates files in /tmp before the victim uses this input method.","status":"published","published":"2018-10-19T22:29:01.68Z","modified":"2026-10-24T10:30:44.090909558Z","cvss":[{"version":"3.0","score":4.7,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:08.834469Z"},{"id":"DEBIAN-CVE-2018-18398","description":"Xfce Thunar 1.6.15, when Xfce 4.12 is used, mishandles the IBus-Unikey input method for file searches within File Manager, leading to an out-of-bounds read and SEGV. This could potentially be exploited by an arbitrary local user who creates files in /tmp before the victim uses this input method.","status":"published","published":"2018-10-19T22:29:01.68Z","modified":"2026-10-23T18:03:02.846753401Z","cvss":[{"version":"3.0","score":4.7,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:30.57382Z"},{"id":"UBUNTU-CVE-2018-18398","description":"Xfce Thunar 1.6.15, when Xfce 4.12 is used, mishandles the IBus-Unikey input method for file searches within File Manager, leading to an out-of-bounds read and SEGV. This could potentially be exploited by an arbitrary local user who creates files in /tmp before the victim uses this input method.","status":"published","published":"2018-10-19T22:29:00Z","modified":"2026-10-17T12:55:16.618144332Z","cvss":[{"version":"3.0","score":4.7,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:17.496046Z"}]}}