{"id":"CVE-2019-11503","aliases":["DEBIAN-CVE-2019-11503","EUVD-2019-3176","GHSA-w39p-qmcm-pxpm","UBUNTU-CVE-2019-11503"],"status":"published","title":"snap-confine as included in snapd before 2.39 did not guard against symlink races when performing...","description":"snap-confine as included in snapd before 2.39 did not guard against symlink races when performing the chdir() to the current working directory of the calling user, aka a \"cwd restore permission bypass.\"","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.02418,"percentile":0.8437,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-59"],"published":"2019-04-24T20:02:44Z","modified":"2026-10-20T10:50:38Z","fixes":[{"ecosystem":"Debian:12","package":"snapd","fixed_in":["2.40-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"snapd","fixed_in":["2.40-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"snapd","fixed_in":["2.40-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"snapd","fixed_in":["2.39.2ubuntu0.2"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"snapd","fixed_in":["2.39.2+18.04"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"snapd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.40-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"snapd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.40-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"snapd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.40-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"snapd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.39.2ubuntu0.2"}]}],"versions":["1.9","1.9.1.1","1.9.2","2.0","2.0.1","2.0.2","2.0.3","2.0.5","2.0.8","2.0.9","2.0.10","2.11+0.16.04","2.12+0.16.04","2.13","2.14.2~16.04","2.15.2ubuntu1","2.16ubuntu3","2.17.1ubuntu1","2.20.1ubuntu1","2.21","2.22.2","2.22.3","2.22.6","2.23.1","2.24.1","2.25","2.26.10","2.27.5","2.28.5","2.29.4.2","2.32.3.2","2.32.9","2.33.1ubuntu2","2.34.2","2.34.2ubuntu0.1","2.37.4","2.37.4ubuntu0.1","2.38","2.39.2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"snapd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.39.2+18.04"}]}],"versions":["2.28.5+17.10","2.29.4.1+18.04","2.29.4.2+18.04","2.31.1+18.04","2.32+18.04~pre5","2.32+18.04~pre6","2.32+18.04","2.32.3.2+18.04","2.32.5+18.04","2.32.8+18.04","2.32.9+18.04","2.33.1+18.04ubuntu2","2.34.2+18.04","2.34.2+18.04.1","2.37.1+18.04","2.37.1.1+18.04","2.37.4+18.04","2.37.4+18.04.1","2.38+18.04"]}],"products":[{"vendor":"canonical","product":"snapd"}],"references":[{"url":"https://www.openwall.com/lists/oss-security/2019/04/18/4","tags":["x_refsource_MISC","x_transferred","Exploit","Mailing List","Patch","Third Party Advisory","fix","report"]},{"url":"https://github.com/snapcore/snapd/pull/6642","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","report"]},{"url":"http://www.openwall.com/lists/oss-security/2019/04/25/7","tags":["mailing-list","x_refsource_MLIST","x_transferred","Third Party Advisory","advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6VACEKVQ7UAZ32WO4ZKCFW6YOBSYJ76L/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VPU6APEZHAA7N2AI57OT4J2P7NKHFOLM/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-11503"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6VACEKVQ7UAZ32WO4ZKCFW6YOBSYJ76L"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VPU6APEZHAA7N2AI57OT4J2P7NKHFOLM"},{"url":"https://github.com/advisories/GHSA-w39p-qmcm-pxpm"},{"url":"https://security-tracker.debian.org/tracker/CVE-2019-11503","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2019-11503","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-11503","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2019-11503","description":"snap-confine as included in snapd before 2.39 did not guard against symlink races when performing the chdir() to the current working directory of the calling user, aka a \"cwd restore permission bypass.\"","status":"published","published":"2019-04-24T20:02:44Z","modified":"2024-08-04T22:55:40.652Z","updated_at":"2026-11-02T14:32:22.432545Z"}],"euvd":[{"id":"EUVD-2019-3176","description":"snap-confine as included in snapd before 2.39 did not guard against symlink races when performing the chdir() to the current working directory of the calling user, aka a \"cwd restore permission bypass.\"","status":"published","published":"2019-04-24T20:02:44Z","modified":"2024-08-04T22:55:40Z","updated_at":"2026-11-03T02:40:48.932719Z"}],"ghsa":[{"id":"GHSA-w39p-qmcm-pxpm","title":"snap-confine as included in snapd before 2.39 did not guard against symlink races when performing...","description":"snap-confine as included in snapd before 2.39 did not guard against symlink races when performing the chdir() to the current working directory of the calling user, aka a \"cwd restore permission bypass.\"","status":"published","published":"2022-05-24T16:44:32Z","modified":"2024-04-04T00:04:45Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T14:55:48.925076Z"}],"nvd":[{"id":"CVE-2019-11503","description":"snap-confine as included in snapd before 2.39 did not guard against symlink races when performing the chdir() to the current working directory of the calling user, aka a \"cwd restore permission bypass.\"","status":"published","published":"2019-04-24T21:29:00.82Z","modified":"2026-06-17T02:13:02.223Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T14:05:12.471695Z"}],"osv":[{"id":"CVE-2019-11503","description":"snap-confine as included in snapd before 2.39 did not guard against symlink races when performing the chdir() to the current working directory of the calling user, aka a \"cwd restore permission bypass.\"","status":"published","published":"2019-04-24T21:29:00.82Z","modified":"2026-10-20T10:50:38.706373129Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:10.718934Z"},{"id":"DEBIAN-CVE-2019-11503","description":"snap-confine as included in snapd before 2.39 did not guard against symlink races when performing the chdir() to the current working directory of the calling user, aka a \"cwd restore permission bypass.\"","status":"published","published":"2019-04-24T21:29:00.82Z","modified":"2026-09-21T07:00:21.582010985Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:45:31.170944Z"},{"id":"UBUNTU-CVE-2019-11503","description":"snap-confine as included in snapd before 2.39 did not guard against symlink races when performing the chdir() to the current working directory of the calling user, aka a \"cwd restore permission bypass.\"","status":"published","published":"2019-04-24T21:29:00Z","modified":"2025-09-08T16:45:24Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:54:19.202697Z"}]}}