{"id":"CVE-2017-0898","details":"Ruby before 2.4.2, 2.3.5, and 2.2.8 is vulnerable to a malicious format string which contains a precious specifier (*) with a huge minus value. Such situation can lead to a buffer overrun, resulting in a heap memory corruption or an information disclosure from the heap.","modified":"2026-07-08T12:29:01.386441Z","published":"2017-09-15T19:29:00.190Z","related":["SUSE-SU-2020:1570-1"],"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html"},{"type":"WEB","url":"https://usn.ubuntu.com/3685-1/"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/100862"},{"type":"ADVISORY","url":"http://www.securitytracker.com/id/1039363"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:3485"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:0378"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:0583"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:0585"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201710-18"},{"type":"ADVISORY","url":"https://www.debian.org/security/2017/dsa-4031"},{"type":"ADVISORY","url":"https://www.ruby-lang.org/en/news/2017/09/14/sprintf-buffer-underrun-cve-2017-0898/"},{"type":"EVIDENCE","url":"https://github.com/mruby/mruby/issues/3722"},{"type":"EVIDENCE","url":"https://hackerone.com/reports/212241"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/ruby/ruby","events":[{"introduced":"7393bf6a5cfff63683f36535e293caaa0d4c5be0"},{"last_affected":"820605ba3c10b9f4dafc4e5d6e09765b8b31cbea"}],"database_specific":{"extracted_events":[{"introduced":"2.2.0"},{"last_affected":"2.2.0"},{"introduced":"2.2.1"},{"last_affected":"2.2.1"},{"introduced":"2.2.2"},{"last_affected":"2.2.2"},{"introduced":"2.2.3"},{"last_affected":"2.2.3"},{"introduced":"2.2.4"},{"last_affected":"2.2.4"},{"introduced":"2.2.5"},{"last_affected":"2.2.5"},{"introduced":"2.2.6"},{"last_affected":"2.2.6"},{"introduced":"2.2.7"},{"last_affected":"2.2.7"},{"introduced":"2.3.0"},{"last_affected":"2.3.0"},{"introduced":"2.3.1"},{"last_affected":"2.3.1"},{"introduced":"2.3.2"},{"last_affected":"2.3.2"},{"introduced":"2.3.3"},{"last_affected":"2.3.3"},{"introduced":"2.3.4"},{"last_affected":"2.3.4"},{"introduced":"2.4.0"},{"last_affected":"2.4.0"},{"introduced":"2.4.1"},{"last_affected":"2.4.1"}],"source":"CPE_STRING","cpe":["cpe:2.3:a:ruby-lang:ruby:2.2.0:*:*:*:*:*:*:*","cpe:2.3:a:ruby-lang:ruby:2.2.1:*:*:*:*:*:*:*","cpe:2.3:a:ruby-lang:ruby:2.2.2:*:*:*:*:*:*:*","cpe:2.3:a:ruby-lang:ruby:2.2.3:*:*:*:*:*:*:*","cpe:2.3:a:ruby-lang:ruby:2.2.4:*:*:*:*:*:*:*","cpe:2.3:a:ruby-lang:ruby:2.2.5:*:*:*:*:*:*:*","cpe:2.3:a:ruby-lang:ruby:2.2.6:*:*:*:*:*:*:*","cpe:2.3:a:ruby-lang:ruby:2.2.7:*:*:*:*:*:*:*","cpe:2.3:a:ruby-lang:ruby:2.3.0:*:*:*:*:*:*:*","cpe:2.3:a:ruby-lang:ruby:2.3.1:*:*:*:*:*:*:*","cpe:2.3:a:ruby-lang:ruby:2.3.2:*:*:*:*:*:*:*","cpe:2.3:a:ruby-lang:ruby:2.3.3:*:*:*:*:*:*:*","cpe:2.3:a:ruby-lang:ruby:2.3.4:*:*:*:*:*:*:*","cpe:2.3:a:ruby-lang:ruby:2.4.0:*:*:*:*:*:*:*","cpe:2.3:a:ruby-lang:ruby:2.4.1:*:*:*:*:*:*:*"]}}],"versions":["2.2.0","2.2.1","2.2.2","2.2.3","2.2.4","2.2.5","2.2.6","2.2.7","2.3.0","2.3.1","2.3.2","2.3.3","2.3.4","2.4.0","2.4.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-0898.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"}]}