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In some particular configurations (related to XDG_RUNTIME_DIR), a local attacker may abuse this flaw to prevent other users from executing bubblewrap or potentially execute code.","status":"published","published":"2019-05-29T15:29:00.377Z","modified":"2026-11-02T18:18:23.113Z","cvss":[{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T20:51:29.040079Z"}],"osv":[{"id":"CVE-2019-12439","description":"bubblewrap.c in Bubblewrap before 0.3.3 misuses temporary directories in /tmp as a mount point. In some particular configurations (related to XDG_RUNTIME_DIR), a local attacker may abuse this flaw to prevent other users from executing bubblewrap or potentially execute code.","status":"published","published":"2019-05-29T15:29:00.377Z","modified":"2026-11-04T07:06:58.363259849Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-04T07:32:23.735279Z"},{"id":"DEBIAN-CVE-2019-12439","description":"bubblewrap.c in Bubblewrap before 0.3.3 misuses temporary directories in /tmp as a mount point. In some particular configurations (related to XDG_RUNTIME_DIR), a local attacker may abuse this flaw to prevent other users from executing bubblewrap or potentially execute code.","status":"published","published":"2019-05-29T15:29:00.377Z","modified":"2026-11-03T09:47:24.919166017Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T10:27:58.933618Z"},{"id":"RHSA-2019:1833","title":"Red Hat Security Advisory: CloudForms 4.7.7 security, bug fix and enhancement update","status":"published","published":"2024-09-16T02:43:02Z","modified":"2026-02-21T10:03:06Z","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":"2026-11-02T15:53:06.0195Z"},{"id":"UBUNTU-CVE-2019-12439","description":"bubblewrap.c in Bubblewrap before 0.3.3 misuses temporary directories in /tmp as a mount point. In some particular configurations (related to XDG_RUNTIME_DIR), a local attacker may abuse this flaw to prevent other users from executing bubblewrap or potentially execute code.","status":"published","published":"2019-05-29T15:29:00Z","modified":"2026-09-18T23:45:03.24648381Z","cvss":[{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:19.202697Z"},{"id":"CLSA-2026-1789985660","title":"Fix CVE(s): CVE-2019-12439","description":"   * SECURITY UPDATE: DoS / symlink attack via the attacker-precreatable\n     pivot_root mount point\n     - debian/patches/CVE-2019-12439.patch: mount the root tmpfs on /tmp itself\n       in main() (bubblewrap.c) instead of creating /run/user/$UID/.bubblewrap\n       or /tmp/.bubblewrap-$UID, which another local user can pre-create as a\n       non-directory or as a symlink they control\n     - debian/patches/CVE-2019-12439-test.patch: upstream regression test for\n       the above, asserting the pivot_root scaffolding (/tmp/oldroot,\n       /tmp/newroot) stays invisible inside the container (tests/test-run.sh)\n     - CVE-2019-12439","status":"published","published":"2026-09-21T15:55:29Z","modified":"2026-10-26T09:32:03.918134717Z","updated_at":"2026-11-02T15:43:48.28229Z"},{"id":"openSUSE-SU-2019:1535-1","title":"Security update for bubblewrap","description":"This update for bubblewrap to version 0.3.3 fixes the following issue:\n\t \nSecurity issue fixed: \n\n- CVE-2019-12439: Fixed a temporary directory misuse as mount point which could\n  have allowed local user to prevent others from running bubblewrap.\n","status":"published","published":"2019-06-10T09:32:43Z","modified":"2026-02-04T02:23:49.267124Z","updated_at":"2026-11-02T16:58:30.784344Z"},{"id":"openSUSE-SU-2019:1721-1","title":"Security update for bubblewrap","description":"This update for bubblewrap fixes the following issues:\n\nSecurity issue fixed:\n\n- CVE-2019-12439: Fixed insecure use of /tmp (bsc#1136958).\n\nThis update was imported from the SUSE:SLE-15:Update update project.","status":"published","published":"2019-07-19T06:03:48Z","modified":"2025-05-07T18:10:30.706499Z","updated_at":"2026-11-02T16:58:30.784344Z"},{"id":"openSUSE-SU-2024:10663-1","title":"bubblewrap-0.5.0-1.1 on GA media","description":"These are all security issues fixed in the bubblewrap-0.5.0-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:10:11.075557Z","updated_at":"2026-11-02T16:58:34.487567Z"},{"id":"SUSE-SU-2019:1826-1","title":"Security update for bubblewrap","description":"This update for bubblewrap fixes the following issues:\n\nSecurity issue fixed:\n\n- CVE-2019-12439: Fixed insecure use of /tmp (bsc#1136958).\n","status":"published","published":"2019-07-12T07:31:12Z","modified":"2026-02-04T04:26:52.531832Z","updated_at":"2026-11-02T15:53:46.44301Z"},{"id":"USN-8779-1","title":"bubblewrap vulnerabilities","description":"It was discovered that Bubblewrap incorrectly handled certain temporary\ndirectories. A local attacker could possibly use this issue to cause a\ndenial of service or execute arbitrary code. This issue only affected\nUbuntu 18.04 LTS. (CVE-2019-12439)\n\nIt was discovered that Bubblewrap incorrectly handled certain symlinks\nduring sandbox setup. A local attacker could possibly use this issue to\ncreate files outside of the sandbox. (CVE-2026-87766)","status":"published","published":"2026-09-17T15:50:32Z","modified":"2026-09-18T23:56:34.184582731Z","updated_at":"2026-11-02T16:58:26.907654Z"}]}}