{"id":"CVE-2019-10063","aliases":["DEBIAN-CVE-2019-10063","EUVD-2019-2124","GHSA-mc9j-733x-89cx","OESA-2021-1380","RHSA-2019:1024","RHSA-2019:1143","UBUNTU-CVE-2019-10063","openSUSE-SU-2024:10762-1"],"status":"published","title":"Flatpak before 1.0.8, 1.1.x and 1.2.x before 1.2.4, and 1.3.x before 1.3.1 allows a sandbox...","description":"Flatpak before 1.0.8, 1.1.x and 1.2.x before 1.2.4, and 1.3.x before 1.3.1 allows a sandbox bypass. Flatpak versions since 0.8.1 address CVE-2017-5226 by using a seccomp filter to prevent sandboxed apps from using the TIOCSTI ioctl, which could otherwise be used to inject commands into the controlling terminal so that they would be executed outside the sandbox after the sandboxed app exits. This fix was incomplete: on 64-bit platforms, the seccomp filter could be bypassed by an ioctl request number that has TIOCSTI in its 32 least significant bits and an arbitrary nonzero value in its 32 most significant bits, which the Linux kernel would treat as equivalent to TIOCSTI.","severity":{"version":"3.0","score":9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01909,"percentile":0.79919,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2019-03-26T13:40:19Z","modified":"2026-10-20T10:50:34Z","fixes":[{"ecosystem":"Debian:12","package":"flatpak","fixed_in":["1.2.3-2"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"flatpak","fixed_in":["1.2.3-2"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"flatpak","fixed_in":["1.2.3-2"],"sources":["osv"]},{"ecosystem":"openEuler:20.03-LTS-SP1","package":"flatpak","fixed_in":["1.0.3-6.oe1"],"sources":["osv"]},{"ecosystem":"openEuler:20.03-LTS-SP2","package":"flatpak","fixed_in":["1.0.3-6.oe1"],"sources":["osv"]},{"ecosystem":"Red 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Hat:enterprise_linux:7::server","package":"flatpak-devel","fixed_in":["0:1.0.2-5.el7_6"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:7::workstation","package":"flatpak","fixed_in":["0:1.0.2-5.el7_6"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:7::workstation","package":"flatpak-debuginfo","fixed_in":["0:1.0.2-5.el7_6"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:7::workstation","package":"flatpak-libs","fixed_in":["0:1.0.2-5.el7_6"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:7::workstation","package":"flatpak-builder","fixed_in":["0:1.0.0-5.el7_6"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:7::workstation","package":"flatpak-devel","fixed_in":["0:1.0.2-5.el7_6"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:8::appstream","package":"flatpak","fixed_in":["0:1.0.6-3.el8_0"],"sources":["osv"]},{"ecosystem":"Red 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Hat:enterprise_linux:8::appstream","package":"flatpak-libs-debuginfo","fixed_in":["0:1.0.6-3.el8_0"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"flatpak","fixed_in":["1.0.8-0ubuntu0.18.04.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"flatpak","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.3-2"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"flatpak","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.3-2"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"flatpak","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.3-2"}]}]},{"source":"osv","ecosystem":"openEuler:20.03-LTS-SP1","package":"flatpak","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.3-6.oe1"}]}]},{"source":"osv","ecosystem":"openEuler:20.03-LTS-SP2","package":"flatpak","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.3-6.oe1"}]}]},{"source":"osv","ecosystem":"Red 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Advisory","fix","report"]},{"url":"https://access.redhat.com/errata/RHSA-2019:1024","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2019:1143","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-10063","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-mc9j-733x-89cx"},{"url":"https://security-tracker.debian.org/tracker/CVE-2019-10063","tags":["advisory"]},{"url":"https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1380","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#important","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1695973","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2019/rhsa-2019_1024.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2019-10063","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-10063","tags":["advisory","report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2019/rhsa-2019_1143.json","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2019-10063","tags":["report"]},{"url":"https://github.com/flatpak/flatpak/commit/a9107feeb4b8275b78965b36bf21b92d5724699e","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2017-5226","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-10063","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-5736","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-21261","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2019-10063","description":"Flatpak before 1.0.8, 1.1.x and 1.2.x before 1.2.4, and 1.3.x before 1.3.1 allows a sandbox bypass. Flatpak versions since 0.8.1 address CVE-2017-5226 by using a seccomp filter to prevent sandboxed apps from using the TIOCSTI ioctl, which could otherwise be used to inject commands into the controlling terminal so that they would be executed outside the sandbox after the sandboxed app exits. This fix was incomplete: on 64-bit platforms, the seccomp filter could be bypassed by an ioctl request number that has TIOCSTI in its 32 least significant bits and an arbitrary nonzero value in its 32 most significant bits, which the Linux kernel would treat as equivalent to TIOCSTI.","status":"published","published":"2019-03-26T13:40:19Z","modified":"2024-08-04T22:10:09.24Z","updated_at":"2026-11-02T14:20:19.056416Z"}],"euvd":[{"id":"EUVD-2019-2124","description":"Flatpak before 1.0.8, 1.1.x and 1.2.x before 1.2.4, and 1.3.x before 1.3.1 allows a sandbox bypass. Flatpak versions since 0.8.1 address CVE-2017-5226 by using a seccomp filter to prevent sandboxed apps from using the TIOCSTI ioctl, which could otherwise be used to inject commands into the controlling terminal so that they would be executed outside the sandbox after the sandboxed app exits. This fix was incomplete: on 64-bit platforms, the seccomp filter could be bypassed by an ioctl request number that has TIOCSTI in its 32 least significant bits and an arbitrary nonzero value in its 32 most significant bits, which the Linux kernel would treat as equivalent to TIOCSTI.","status":"published","published":"2019-03-26T13:40:19Z","modified":"2024-08-04T22:10:09Z","updated_at":"2026-11-03T02:40:54.154728Z"}],"ghsa":[{"id":"GHSA-mc9j-733x-89cx","title":"Flatpak before 1.0.8, 1.1.x and 1.2.x before 1.2.4, and 1.3.x before 1.3.1 allows a sandbox...","description":"Flatpak before 1.0.8, 1.1.x and 1.2.x before 1.2.4, and 1.3.x before 1.3.1 allows a sandbox bypass. Flatpak versions since 0.8.1 address CVE-2017-5226 by using a seccomp filter to prevent sandboxed apps from using the TIOCSTI ioctl, which could otherwise be used to inject commands into the controlling terminal so that they would be executed outside the sandbox after the sandboxed app exits. This fix was incomplete: on 64-bit platforms, the seccomp filter could be bypassed by an ioctl request number that has TIOCSTI in its 32 least significant bits and an arbitrary nonzero value in its 32 most significant bits, which the Linux kernel would treat as equivalent to TIOCSTI.","status":"published","published":"2022-05-14T01:04:10Z","modified":"2023-02-02T05:02:54Z","cvss":[{"version":"3.0","score":9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:51:31.853894Z"}],"nvd":[{"id":"CVE-2019-10063","description":"Flatpak before 1.0.8, 1.1.x and 1.2.x before 1.2.4, and 1.3.x before 1.3.1 allows a sandbox bypass. Flatpak versions since 0.8.1 address CVE-2017-5226 by using a seccomp filter to prevent sandboxed apps from using the TIOCSTI ioctl, which could otherwise be used to inject commands into the controlling terminal so that they would be executed outside the sandbox after the sandboxed app exits. This fix was incomplete: on 64-bit platforms, the seccomp filter could be bypassed by an ioctl request number that has TIOCSTI in its 32 least significant bits and an arbitrary nonzero value in its 32 most significant bits, which the Linux kernel would treat as equivalent to TIOCSTI.","status":"published","published":"2019-03-26T14:29:00.24Z","modified":"2026-06-17T02:10:08.323Z","cvss":[{"version":"3.0","score":9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:05:09.523883Z"}],"osv":[{"id":"CVE-2019-10063","description":"Flatpak before 1.0.8, 1.1.x and 1.2.x before 1.2.4, and 1.3.x before 1.3.1 allows a sandbox bypass. Flatpak versions since 0.8.1 address CVE-2017-5226 by using a seccomp filter to prevent sandboxed apps from using the TIOCSTI ioctl, which could otherwise be used to inject commands into the controlling terminal so that they would be executed outside the sandbox after the sandboxed app exits. This fix was incomplete: on 64-bit platforms, the seccomp filter could be bypassed by an ioctl request number that has TIOCSTI in its 32 least significant bits and an arbitrary nonzero value in its 32 most significant bits, which the Linux kernel would treat as equivalent to TIOCSTI.","status":"published","published":"2019-03-26T14:29:00.24Z","modified":"2026-10-20T10:50:34.711278647Z","cvss":[{"version":"3.0","score":9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:10.051046Z"},{"id":"DEBIAN-CVE-2019-10063","description":"Flatpak before 1.0.8, 1.1.x and 1.2.x before 1.2.4, and 1.3.x before 1.3.1 allows a sandbox bypass. Flatpak versions since 0.8.1 address CVE-2017-5226 by using a seccomp filter to prevent sandboxed apps from using the TIOCSTI ioctl, which could otherwise be used to inject commands into the controlling terminal so that they would be executed outside the sandbox after the sandboxed app exits. This fix was incomplete: on 64-bit platforms, the seccomp filter could be bypassed by an ioctl request number that has TIOCSTI in its 32 least significant bits and an arbitrary nonzero value in its 32 most significant bits, which the Linux kernel would treat as equivalent to TIOCSTI.","status":"published","published":"2019-03-26T14:29:00.24Z","modified":"2026-09-21T07:00:14.51966812Z","cvss":[{"version":"3.0","score":9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:31.170944Z"},{"id":"OESA-2021-1380","title":"flatpak security update","description":"flatpak is a system for building, distributing and running sandboxed desktop applications on Linux. See https://wiki.gnome.org/Projects/SandboxedApps for more information.\r\n\r\nSecurity Fix(es):\r\n\r\nFlatpak before 1.0.8, 1.1.x and 1.2.x before 1.2.4, and 1.3.x before 1.3.1 allows a sandbox bypass. Flatpak versions since 0.8.1 address CVE-2017-5226 by using a seccomp filter to prevent sandboxed apps from using the TIOCSTI ioctl, which could otherwise be used to inject commands into the controlling terminal so that they would be executed outside the sandbox after the sandboxed app exits. This fix was incomplete: on 64-bit platforms, the seccomp filter could be bypassed by an ioctl request number that has TIOCSTI in its 32 least significant bits and an arbitrary nonzero value in its 32 most significant bits, which the Linux kernel would treat as equivalent to TIOCSTI.(CVE-2019-10063)","status":"published","published":"2021-10-15T11:04:39Z","modified":"2026-08-18T01:16:03.797913943Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:38.987987Z"},{"id":"RHSA-2019:1024","title":"Red Hat Security Advisory: flatpak security update","status":"published","published":"2024-09-16T02:30:52Z","modified":"2026-06-26T12:22:03.006971086Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:05.383061Z"},{"id":"RHSA-2019:1143","title":"Red Hat Security Advisory: flatpak security update","status":"published","published":"2024-09-16T02:30:59Z","modified":"2025-11-22T11:41:35Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:05.383061Z"},{"id":"UBUNTU-CVE-2019-10063","description":"Flatpak before 1.0.8, 1.1.x and 1.2.x before 1.2.4, and 1.3.x before 1.3.1 allows a sandbox bypass. Flatpak versions since 0.8.1 address CVE-2017-5226 by using a seccomp filter to prevent sandboxed apps from using the TIOCSTI ioctl, which could otherwise be used to inject commands into the controlling terminal so that they would be executed outside the sandbox after the sandboxed app exits. This fix was incomplete: on 64-bit platforms, the seccomp filter could be bypassed by an ioctl request number that has TIOCSTI in its 32 least significant bits and an arbitrary nonzero value in its 32 most significant bits, which the Linux kernel would treat as equivalent to TIOCSTI.","status":"published","published":"2019-03-26T14:29:00Z","modified":"2026-04-22T12:05:08.504697Z","cvss":[{"version":"3.0","score":9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:54:18.772093Z"},{"id":"openSUSE-SU-2024:10762-1","title":"flatpak-1.11.3-1.2 on GA media","description":"These are all security issues fixed in the flatpak-1.11.3-1.2 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:04:12.056832Z","updated_at":"2026-11-02T16:58:34.487567Z"}]}}