{"id":"CVE-2018-6519","aliases":["DEBIAN-CVE-2018-6519","DSA-4127-1","EUVD-2022-4159","GHSA-hhm8-2j4g-mpgg","UBUNTU-CVE-2018-6519"],"status":"published","title":"SimpleSAMLphp SAML2 library Regular Expression Denial of Service vulnerability","description":"The SAML2 library before 1.10.4, 2.x before 2.3.5, and 3.x before 3.1.1 in SimpleSAMLphp has a Regular Expression Denial of Service vulnerability for fraction-of-seconds data in a timestamp.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01696,"percentile":0.77314,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-74"],"published":"2018-02-02T01:00:00Z","modified":"2026-10-24T10:30:28Z","fixes":[{"ecosystem":"Packagist","package":"simplesamlphp/saml2","fixed_in":["1.10.4","2.3.5","3.1.1"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"simplesamlphp","fixed_in":["1.15.2-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"simplesamlphp","fixed_in":["1.15.2-1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"simplesamlphp/saml2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.10.4"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"simplesamlphp/saml2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0"},{"fixed":"2.3.5"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"simplesamlphp/saml2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0"},{"fixed":"3.1.1"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"simplesamlphp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.15.2-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"simplesamlphp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.15.2-1"}]}],"versions":["1.10.0-1","1.11.0-1","1.12.0-1","1.12.0~rc1-1","1.12.0~rc2-1","1.13.0-1","1.13.1-1","1.13.1-2","1.13.2-1","1.14.0-1","1.14.1-1","1.14.10-1","1.14.11-1","1.14.15-1","1.14.2-1","1.14.2-2","1.14.3-1","1.14.4-1","1.14.5-1","1.14.6-1","1.14.7-1","1.14.8-1","1.14.9-1","1.15.0-1","1.15.1-1","1.6.0-1","1.6.1-1","1.6.2-1","1.6.3-1","1.6.3-2","1.6.3-3","1.7.0-1","1.7.0-2","1.8.0-1","1.8.1-1","1.8.2-1","1.9.0-1","1.9.0~rc1-1","1.9.0~rc2-1","1.9.1-1","1.9.2-1"]},{"source":"osv","ecosystem":"Debian:8","package":"simplesamlphp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.13.1-2+deb8u1"}]}],"versions":["1.13.1-2"],"bundled":9},{"source":"osv","ecosystem":"Debian:9","package":"simplesamlphp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.11-1+deb9u1"}]}],"versions":["1.14.11-1"],"bundled":9},{"source":"osv","ecosystem":"Packagist","package":"simplesamlphp/saml2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.10.4"}]}],"versions":["v0.1.0","v0.1.0-alpha","v0.3.0","v0.4.0","v0.4.1","v0.4.2","v0.5.0","v0.6.0","v0.6.1","v0.6.2","v0.6.3","v0.6.4","v0.7.0","v0.7.1","v0.8.0","v0.8.1","v1.0.0","v1.1.0","v1.10","v1.10.1","v1.10.2","v1.10.3","v1.2.0","v1.3.0","v1.3.1","v1.3.2","v1.4.0","v1.5.0","v1.5.1","v1.5.2","v1.5.3","v1.5.4","v1.6.0","v1.6.1","v1.7.0","v1.7.1","v1.7.2","v1.8","v1.8.1","v1.8.2","v1.9","v1.9.1","v1.9.2"]},{"source":"osv","ecosystem":"Packagist","package":"simplesamlphp/saml2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0"},{"fixed":"2.3.5"}]}],"versions":["v2.0.0","v2.0.1","v2.1","v2.2","v2.3","v2.3.1","v2.3.2","v2.3.3","v2.3.4"]},{"source":"osv","ecosystem":"Packagist","package":"simplesamlphp/saml2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0"},{"fixed":"3.1.1"}]}],"versions":["v3.0.0","v3.0.1","v3.0.2","v3.0.3","v3.1.0"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"simplesamlphp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.13.2-1","1.14.0-1","1.14.0-1ubuntu2","1.14.0-1ubuntu2+esm1"]}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"simplesamlphp","product":"saml2"}],"references":[{"url":"https://simplesamlphp.org/security/201801-01","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","web","report"]},{"url":"https://www.debian.org/security/2018/dsa-4127","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-6519","tags":["advisory"]},{"url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/simplesamlphp/saml2/CVE-2018-6519.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-hhm8-2j4g-mpgg"},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-6519","tags":["advisory"]},{"url":"https://github.com/simplesamlphp/simplesamlphp","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2018-6519","tags":["report"]},{"url":"https://github.com/simplesamlphp/saml2/commit/726404bf7b4085a9eb9c9a869af1ecc146bd8f6d","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-6519","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-6519","description":"The SAML2 library before 1.10.4, 2.x before 2.3.5, and 3.x before 3.1.1 in SimpleSAMLphp has a Regular Expression Denial of Service vulnerability for fraction-of-seconds data in a timestamp.","status":"published","published":"2018-02-02T01:00:00Z","modified":"2024-08-05T06:10:10.179Z","updated_at":"2026-11-02T14:35:05.619113Z"}],"euvd":[{"id":"EUVD-2022-4159","description":"The SAML2 library before 1.10.4, 2.x before 2.3.5, and 3.x before 3.1.1 in SimpleSAMLphp has a Regular Expression Denial of Service vulnerability for fraction-of-seconds data in a timestamp.","status":"published","published":"2018-02-02T01:00:00Z","modified":"2024-08-05T06:10:10Z","updated_at":"2026-11-03T02:40:07.640255Z"}],"ghsa":[{"id":"GHSA-hhm8-2j4g-mpgg","title":"SimpleSAMLphp SAML2 library Regular Expression Denial of Service vulnerability","description":"The SAML2 library before 1.10.4, 2.x before 2.3.5, and 3.x before 3.1.1 in SimpleSAMLphp has a Regular Expression Denial of Service vulnerability for fraction-of-seconds data in a timestamp.","status":"published","published":"2022-05-14T02:57:33Z","modified":"2024-04-25T21:00:24Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T14:37:46.667202Z"}],"nvd":[{"id":"CVE-2018-6519","description":"The SAML2 library before 1.10.4, 2.x before 2.3.5, and 3.x before 3.1.1 in SimpleSAMLphp has a Regular Expression Denial of Service vulnerability for fraction-of-seconds data in a timestamp.","status":"published","published":"2018-02-02T01:29:00.23Z","modified":"2026-06-17T02:01:57.33Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T14:04:22.897995Z"}],"osv":[{"id":"CVE-2018-6519","description":"The SAML2 library before 1.10.4, 2.x before 2.3.5, and 3.x before 3.1.1 in SimpleSAMLphp has a Regular Expression Denial of Service vulnerability for fraction-of-seconds data in a timestamp.","status":"published","published":"2018-02-02T01:29:00.23Z","modified":"2026-10-24T10:30:28.094797651Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:09.74357Z"},{"id":"DEBIAN-CVE-2018-6519","description":"The SAML2 library before 1.10.4, 2.x before 2.3.5, and 3.x before 3.1.1 in SimpleSAMLphp has a Regular Expression Denial of Service vulnerability for fraction-of-seconds data in a timestamp.","status":"published","published":"2018-02-02T01:29:00.23Z","modified":"2026-10-23T18:03:08.008352322Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:30.867575Z"},{"id":"GHSA-hhm8-2j4g-mpgg","title":"SimpleSAMLphp SAML2 library Regular Expression Denial of Service vulnerability","description":"The SAML2 library before 1.10.4, 2.x before 2.3.5, and 3.x before 3.1.1 in SimpleSAMLphp has a Regular Expression Denial of Service vulnerability for fraction-of-seconds data in a timestamp.","status":"published","published":"2022-05-14T02:57:33Z","modified":"2024-04-25T21:26:45.10645Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T15:46:49.28217Z"},{"id":"UBUNTU-CVE-2018-6519","description":"The SAML2 library before 1.10.4, 2.x before 2.3.5, and 3.x before 3.1.1 in SimpleSAMLphp has a Regular Expression Denial of Service vulnerability for fraction-of-seconds data in a timestamp.","status":"published","published":"2018-02-02T01:29:00Z","modified":"2026-09-15T20:16:38.284506537Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:18.772093Z"},{"id":"DSA-4127-1","title":"simplesamlphp - security update","status":"published","published":"2018-03-02T00:00:00Z","modified":"2026-03-09T01:20:55.220288Z","updated_at":"2026-11-02T15:46:16.862196Z"}]}}
