{"id":"CVE-2017-16654","aliases":["DEBIAN-CVE-2017-16654","DLA-1707-1","DSA-4262-1","EUVD-2022-3499","GHSA-c49r-8gj6-768r","UBUNTU-CVE-2017-16654"],"status":"published","title":"Symfony Directory Traversal","description":"An issue was discovered in Symfony before 2.7.38, 2.8.31, 3.2.14, 3.3.13, 3.4-BETA5, and 4.0-BETA5. The Intl component includes various bundle readers that are used to read resource bundles from the local filesystem. The read() methods of these classes use a path and a locale to determine the language bundle to retrieve. The locale argument value is commonly retrieved from untrusted user input (like a URL parameter). An attacker can use this argument to navigate to arbitrary directories via the dot-dot-slash attack, aka Directory Traversal.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.02677,"percentile":0.85886,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-22"],"published":"2018-08-03T00:00:00Z","modified":"2026-10-24T10:49:29Z","fixes":[{"ecosystem":"Packagist","package":"symfony/intl","fixed_in":["2.7.38","2.8.31","3.2.14","3.3.13"],"sources":["ghsa","osv"]},{"ecosystem":"Packagist","package":"symfony/symfony","fixed_in":["2.7.38","2.8.31","3.2.14","3.3.13"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"symfony","fixed_in":["3.4.0+dfsg-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"symfony","fixed_in":["3.4.0+dfsg-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"symfony","fixed_in":["3.4.0+dfsg-1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"symfony/intl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.7.0"},{"fixed":"2.7.38"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"symfony/intl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.8.0"},{"fixed":"2.8.31"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"symfony/intl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0"},{"fixed":"3.2.14"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"symfony/intl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.3.0"},{"fixed":"3.3.13"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"symfony/symfony","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.7.0"},{"fixed":"2.7.38"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"symfony/symfony","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.8.0"},{"fixed":"2.8.31"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"symfony/symfony","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0"},{"fixed":"3.2.14"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"symfony/symfony","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.3.0"},{"fixed":"3.3.13"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"symfony","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.0+dfsg-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"symfony","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.0+dfsg-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"symfony","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.0+dfsg-1"}]}]},{"source":"osv","ecosystem":"Debian:8","package":"symfony","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.21+dfsg-4+deb8u4"}]}],"versions":["2.3.21+dfsg-4","2.3.21+dfsg-4+deb8u1","2.3.21+dfsg-4+deb8u2","2.3.21+dfsg-4+deb8u3"],"bundled":7},{"source":"osv","ecosystem":"Debian:9","package":"symfony","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8.7+dfsg-1.3+deb9u1"}]}],"versions":["2.8.7+dfsg-1.3"],"bundled":8},{"source":"osv","ecosystem":"Packagist","package":"symfony/intl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.7.0"},{"fixed":"2.7.38"}]}],"versions":["v2.7.0","v2.7.1","v2.7.10","v2.7.11","v2.7.12","v2.7.13","v2.7.14","v2.7.15","v2.7.16","v2.7.17","v2.7.18","v2.7.19","v2.7.2","v2.7.20","v2.7.21","v2.7.22","v2.7.23","v2.7.24","v2.7.25","v2.7.26","v2.7.27","v2.7.28","v2.7.29","v2.7.3","v2.7.30","v2.7.31","v2.7.32","v2.7.33","v2.7.34","v2.7.35","v2.7.36","v2.7.37","v2.7.4","v2.7.5","v2.7.6","v2.7.7","v2.7.8","v2.7.9"]},{"source":"osv","ecosystem":"Packagist","package":"symfony/intl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.8.0"},{"fixed":"2.8.31"}]}],"versions":["v2.8.0","v2.8.1","v2.8.10","v2.8.11","v2.8.12","v2.8.13","v2.8.14","v2.8.15","v2.8.16","v2.8.17","v2.8.18","v2.8.19","v2.8.2","v2.8.20","v2.8.21","v2.8.22","v2.8.23","v2.8.24","v2.8.25","v2.8.26","v2.8.27","v2.8.28","v2.8.29","v2.8.3","v2.8.30","v2.8.4","v2.8.5","v2.8.6","v2.8.7","v2.8.8","v2.8.9"]},{"source":"osv","ecosystem":"Packagist","package":"symfony/intl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0"},{"fixed":"3.2.14"}]}],"versions":["v3.0.0","v3.0.1","v3.0.2","v3.0.3","v3.0.4","v3.0.5","v3.0.6","v3.0.7","v3.0.8","v3.0.9","v3.1.0","v3.1.0-BETA1","v3.1.0-RC1","v3.1.1","v3.1.10","v3.1.2","v3.1.3","v3.1.4","v3.1.5","v3.1.6","v3.1.7","v3.1.8","v3.1.9","v3.2.0","v3.2.0-BETA1","v3.2.0-RC1","v3.2.0-RC2","v3.2.1","v3.2.10","v3.2.11","v3.2.12","v3.2.13","v3.2.2","v3.2.3","v3.2.4","v3.2.5","v3.2.6","v3.2.7","v3.2.8","v3.2.9"]},{"source":"osv","ecosystem":"Packagist","package":"symfony/intl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.3.0"},{"fixed":"3.3.13"}]}],"versions":["v3.3.0","v3.3.1","v3.3.10","v3.3.11","v3.3.12","v3.3.2","v3.3.3","v3.3.4","v3.3.5","v3.3.6","v3.3.7","v3.3.8","v3.3.9"]},{"source":"osv","ecosystem":"Packagist","package":"symfony/symfony","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.7.0"},{"fixed":"2.7.38"}]}],"versions":["v2.7.0","v2.7.1","v2.7.10","v2.7.11","v2.7.12","v2.7.13","v2.7.14","v2.7.15","v2.7.16","v2.7.17","v2.7.18","v2.7.19","v2.7.2","v2.7.20","v2.7.21","v2.7.22","v2.7.23","v2.7.24","v2.7.25","v2.7.26","v2.7.27","v2.7.28","v2.7.29","v2.7.3","v2.7.30","v2.7.31","v2.7.32","v2.7.33","v2.7.34","v2.7.35","v2.7.36","v2.7.37","v2.7.4","v2.7.5","v2.7.6","v2.7.7","v2.7.8","v2.7.9"]},{"source":"osv","ecosystem":"Packagist","package":"symfony/symfony","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.8.0"},{"fixed":"2.8.31"}]}],"versions":["v2.8.0","v2.8.1","v2.8.10","v2.8.11","v2.8.12","v2.8.13","v2.8.14","v2.8.15","v2.8.16","v2.8.17","v2.8.18","v2.8.19","v2.8.2","v2.8.20","v2.8.21","v2.8.22","v2.8.23","v2.8.24","v2.8.25","v2.8.26","v2.8.27","v2.8.28","v2.8.29","v2.8.3","v2.8.30","v2.8.4","v2.8.5","v2.8.6","v2.8.7","v2.8.8","v2.8.9"]},{"source":"osv","ecosystem":"Packagist","package":"symfony/symfony","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0"},{"fixed":"3.2.14"}]}],"versions":["v3.0.0","v3.0.1","v3.0.2","v3.0.3","v3.0.4","v3.0.5","v3.0.6","v3.0.7","v3.0.8","v3.0.9","v3.1.0","v3.1.0-BETA1","v3.1.0-RC1","v3.1.1","v3.1.10","v3.1.2","v3.1.3","v3.1.4","v3.1.5","v3.1.6","v3.1.7","v3.1.8","v3.1.9","v3.2.0","v3.2.0-BETA1","v3.2.0-RC1","v3.2.0-RC2","v3.2.1","v3.2.10","v3.2.11","v3.2.12","v3.2.13","v3.2.2","v3.2.3","v3.2.4","v3.2.5","v3.2.6","v3.2.7","v3.2.8","v3.2.9"]},{"source":"osv","ecosystem":"Packagist","package":"symfony/symfony","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.3.0"},{"fixed":"3.3.13"}]}],"versions":["v3.3.0","v3.3.1","v3.3.10","v3.3.11","v3.3.12","v3.3.2","v3.3.3","v3.3.4","v3.3.5","v3.3.6","v3.3.7","v3.3.8","v3.3.9"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"symfony","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.7.1+dfsg-1","2.7.5+dfsg-1","2.7.9+dfsg-1","2.7.9+dfsg-1ubuntu2","2.7.10-0ubuntu2"]}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"sensiolabs","product":"symfony"}],"references":[{"url":"https://github.com/symfony/symfony/pull/24994","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Third Party Advisory","report","web"]},{"url":"https://symfony.com/blog/cve-2017-16654-intl-bundle-readers-breaking-out-of-paths","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Vendor Advisory","report","web"]},{"url":"https://lists.debian.org/debian-lts-announce/2019/03/msg00009.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://www.debian.org/security/2018/dsa-4262","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-16654","tags":["advisory"]},{"url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/intl/CVE-2017-16654.yaml","tags":["web"]},{"url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2017-16654.yaml","tags":["web"]},{"url":"https://symfony.com/cve-2017-16654","tags":["web"]},{"url":"https://github.com/advisories/GHSA-c49r-8gj6-768r"},{"url":"https://security-tracker.debian.org/tracker/CVE-2017-16654","tags":["advisory"]},{"url":"https://github.com/symfony/symfony","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2017-16654","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-16654","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2017-16654","description":"An issue was discovered in Symfony before 2.7.38, 2.8.31, 3.2.14, 3.3.13, 3.4-BETA5, and 4.0-BETA5. The Intl component includes various bundle readers that are used to read resource bundles from the local filesystem. The read() methods of these classes use a path and a locale to determine the language bundle to retrieve. The locale argument value is commonly retrieved from untrusted user input (like a URL parameter). An attacker can use this argument to navigate to arbitrary directories via the dot-dot-slash attack, aka Directory Traversal.","status":"published","published":"2018-08-06T21:00:00Z","modified":"2024-08-05T20:27:04.443Z","updated_at":"2026-11-02T14:33:21.453505Z"}],"euvd":[{"id":"EUVD-2022-3499","description":"An issue was discovered in Symfony before 2.7.38, 2.8.31, 3.2.14, 3.3.13, 3.4-BETA5, and 4.0-BETA5. The Intl component includes various bundle readers that are used to read resource bundles from the local filesystem. The read() methods of these classes use a path and a locale to determine the language bundle to retrieve. The locale argument value is commonly retrieved from untrusted user input (like a URL parameter). An attacker can use this argument to navigate to arbitrary directories via the dot-dot-slash attack, aka Directory Traversal.","status":"published","published":"2018-08-06T21:00:00Z","modified":"2024-08-05T20:27:04Z","updated_at":"2026-11-03T02:23:11.972603Z"}],"ghsa":[{"id":"GHSA-c49r-8gj6-768r","title":"Symfony Directory Traversal","description":"An issue was discovered in Symfony before 2.7.38, 2.8.31, 3.2.14, 3.3.13, 3.4-BETA5, and 4.0-BETA5. The Intl component includes various bundle readers that are used to read resource bundles from the local filesystem. The read() methods of these classes use a path and a locale to determine the language bundle to retrieve. The locale argument value is commonly retrieved from untrusted user input (like a URL parameter). An attacker can use this argument to navigate to arbitrary directories via the dot-dot-slash attack, aka Directory Traversal.","status":"published","published":"2022-05-14T01:21:16Z","modified":"2024-02-07T09:42:04Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:37:36.076201Z"}],"nvd":[{"id":"CVE-2017-16654","description":"An issue was discovered in Symfony before 2.7.38, 2.8.31, 3.2.14, 3.3.13, 3.4-BETA5, and 4.0-BETA5. The Intl component includes various bundle readers that are used to read resource bundles from the local filesystem. The read() methods of these classes use a path and a locale to determine the language bundle to retrieve. The locale argument value is commonly retrieved from untrusted user input (like a URL parameter). An attacker can use this argument to navigate to arbitrary directories via the dot-dot-slash attack, aka Directory Traversal.","status":"published","published":"2018-08-06T21:29:00.33Z","modified":"2026-06-17T01:09:37.797Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:04:18.679411Z"}],"osv":[{"id":"CVE-2017-16654","description":"An issue was discovered in Symfony before 2.7.38, 2.8.31, 3.2.14, 3.3.13, 3.4-BETA5, and 4.0-BETA5. The Intl component includes various bundle readers that are used to read resource bundles from the local filesystem. The read() methods of these classes use a path and a locale to determine the language bundle to retrieve. The locale argument value is commonly retrieved from untrusted user input (like a URL parameter). An attacker can use this argument to navigate to arbitrary directories via the dot-dot-slash attack, aka Directory Traversal.","status":"published","published":"2018-08-06T21:29:00.33Z","modified":"2026-10-24T10:49:29.443819615Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:04.853379Z"},{"id":"DEBIAN-CVE-2017-16654","description":"An issue was discovered in Symfony before 2.7.38, 2.8.31, 3.2.14, 3.3.13, 3.4-BETA5, and 4.0-BETA5. The Intl component includes various bundle readers that are used to read resource bundles from the local filesystem. The read() methods of these classes use a path and a locale to determine the language bundle to retrieve. The locale argument value is commonly retrieved from untrusted user input (like a URL parameter). An attacker can use this argument to navigate to arbitrary directories via the dot-dot-slash attack, aka Directory Traversal.","status":"published","published":"2018-08-06T21:29:00.33Z","modified":"2026-09-01T20:03:45.062803472Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:45:28.801885Z"},{"id":"GHSA-c49r-8gj6-768r","title":"Symfony Directory Traversal","description":"An issue was discovered in Symfony before 2.7.38, 2.8.31, 3.2.14, 3.3.13, 3.4-BETA5, and 4.0-BETA5. The Intl component includes various bundle readers that are used to read resource bundles from the local filesystem. The read() methods of these classes use a path and a locale to determine the language bundle to retrieve. The locale argument value is commonly retrieved from untrusted user input (like a URL parameter). An attacker can use this argument to navigate to arbitrary directories via the dot-dot-slash attack, aka Directory Traversal.","status":"published","published":"2022-05-14T01:21:16Z","modified":"2024-02-16T08:19:58.700191Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:46:44.571161Z"},{"id":"UBUNTU-CVE-2017-16654","description":"An issue was discovered in Symfony before 2.7.38, 2.8.31, 3.2.14, 3.3.13, 3.4-BETA5, and 4.0-BETA5. The Intl component includes various bundle readers that are used to read resource bundles from the local filesystem. The read() methods of these classes use a path and a locale to determine the language bundle to retrieve. The locale argument value is commonly retrieved from untrusted user input (like a URL parameter). An attacker can use this argument to navigate to arbitrary directories via the dot-dot-slash attack, aka Directory Traversal.","status":"published","published":"2018-08-06T21:29:00Z","modified":"2025-10-24T04:46:36Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:54:14.563448Z"},{"id":"DLA-1707-1","title":"symfony - security update","status":"published","published":"2019-03-09T00:00:00Z","modified":"2026-03-09T01:21:05.654854Z","updated_at":"2026-11-02T15:46:09.777694Z"},{"id":"DSA-4262-1","title":"symfony - security update","status":"published","published":"2018-08-03T00:00:00Z","modified":"2026-03-09T02:10:49.726769Z","updated_at":"2026-11-02T15:46:16.862196Z"}]}}