{"id":"CVE-2017-7509","aliases":["EUVD-2017-16526","GHSA-2v3w-p5pg-rgxq","RHSA-2017:2560"],"status":"published","title":"An input validation error was found in Red Hat Certificate System's handling of client provided...","description":"An input validation error was found in Red Hat Certificate System's handling of client provided certificates before 8.1.20-1. If the certreq field is not present in a certificate an assertion error is triggered causing a denial of service.","severity":{"version":"3.0","score":3.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.00726,"percentile":0.5438,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2018-07-26T16:00:00Z","modified":"2026-07-01T10:02:47Z","fixes":[{"ecosystem":"Red Hat:certificate_system:8::el5","package":"pki-ca","fixed_in":["0:8.1.9-2.el5pki"],"sources":["osv"]},{"ecosystem":"Red Hat:certificate_system:8::el5","package":"pki-common","fixed_in":["0:8.1.20-1.el5pki"],"sources":["osv"]},{"ecosystem":"Red Hat:certificate_system:8::el5","package":"pki-common-javadoc","fixed_in":["0:8.1.20-1.el5pki"],"sources":["osv"]},{"ecosystem":"Red Hat:certificate_system:8::el5","package":"pki-kra","fixed_in":["0:8.1.7-2.el5pki"],"sources":["osv"]},{"ecosystem":"Red Hat:certificate_system:8::el5","package":"pki-silent","fixed_in":["0:8.1.2-3.el5pki"],"sources":["osv"]},{"ecosystem":"Red Hat:certificate_system:8::el5","package":"pki-tps","fixed_in":["0:8.1.30-1.el5pki"],"sources":["osv"]},{"ecosystem":"Red Hat:certificate_system:8::el5","package":"pki-util","fixed_in":["0:8.1.3-2.el5pki"],"sources":["osv"]},{"ecosystem":"Red Hat:certificate_system:8::el5","package":"pki-util-javadoc","fixed_in":["0:8.1.3-2.el5pki"],"sources":["osv"]},{"ecosystem":"Red Hat:certificate_system:8::el5","package":"redhat-pki-ca-ui","fixed_in":["0:8.1.1-2.el5pki"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Red Hat:certificate_system:8::el5","package":"pki-ca","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:8.1.9-2.el5pki"}]}]},{"source":"osv","ecosystem":"Red Hat:certificate_system:8::el5","package":"pki-common","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:8.1.20-1.el5pki"}]}]},{"source":"osv","ecosystem":"Red Hat:certificate_system:8::el5","package":"pki-common-javadoc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:8.1.20-1.el5pki"}]}]},{"source":"osv","ecosystem":"Red Hat:certificate_system:8::el5","package":"pki-kra","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:8.1.7-2.el5pki"}]}]},{"source":"osv","ecosystem":"Red Hat:certificate_system:8::el5","package":"pki-silent","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:8.1.2-3.el5pki"}]}]},{"source":"osv","ecosystem":"Red Hat:certificate_system:8::el5","package":"pki-tps","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:8.1.30-1.el5pki"}]}]},{"source":"osv","ecosystem":"Red Hat:certificate_system:8::el5","package":"pki-util","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:8.1.3-2.el5pki"}]}]},{"source":"osv","ecosystem":"Red Hat:certificate_system:8::el5","package":"pki-util-javadoc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:8.1.3-2.el5pki"}]}]},{"source":"osv","ecosystem":"Red Hat:certificate_system:8::el5","package":"redhat-pki-ca-ui","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:8.1.1-2.el5pki"}]}]}],"products":[{"vendor":"red hat","product":"certificate system"},{"vendor":"redhat","product":"certificate_system"}],"references":[{"url":"https://access.redhat.com/errata/RHSA-2017:2560","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Vendor Advisory","advisory"]},{"url":"http://www.securitytracker.com/id/1039248","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7509","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-7509","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-2v3w-p5pg-rgxq"},{"url":"https://access.redhat.com/security/updates/classification/#moderate","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1456030","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2017/rhsa-2017_2560.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2017-7509","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-7509","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2017-7509","description":"An input validation error was found in Red Hat Certificate System's handling of client provided certificates before 8.1.20-1. 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If the certreq field is not present in a certificate an assertion error is triggered causing a denial of service.","status":"published","published":"2018-07-26T16:00:00Z","modified":"2024-08-05T16:04:11Z","cvss":[{"version":"3.0","score":3.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L","level":"low"}],"updated_at":"2026-11-03T02:39:08.024596Z"}],"ghsa":[{"id":"GHSA-2v3w-p5pg-rgxq","title":"An input validation error was found in Red Hat Certificate System's handling of client provided...","description":"An input validation error was found in Red Hat Certificate System's handling of client provided certificates before 8.1.20-1. If the certreq field is not present in a certificate an assertion error is triggered causing a denial of service.","status":"published","published":"2022-05-13T01:36:20Z","modified":"2023-02-01T05:08:41Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:50:49.963472Z"}],"nvd":[{"id":"CVE-2017-7509","description":"An input validation error was found in Red Hat Certificate System's handling of client provided certificates before 8.1.20-1. If the certreq field is not present in a certificate an assertion error is triggered causing a denial of service.","status":"published","published":"2018-07-26T16:29:00.373Z","modified":"2026-06-17T01:24:29.627Z","cvss":[{"version":"3.0","score":3.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L","level":"low","assessor":"secondary"},{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:04:18.679411Z"}],"osv":[{"id":"RHSA-2017:2560","title":"Red Hat Security Advisory: Red Hat Certificate System 8 security, bug fix, and enhancement update","status":"published","published":"2024-09-16T00:03:45Z","modified":"2026-07-01T10:02:47Z","cvss":[{"version":"3.0","score":3.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L","level":"low"}],"updated_at":"2026-11-02T15:53:04.262457Z"}]}}