{"id":"CVE-2018-1999043","aliases":["GHSA-2632-h32j-6rg9"],"url":"https://o3.security/vulnerability/CVE-2018-1999043","summary":"Missing Release of Resource after Effective Lifetime in Jenkins","details":"A denial of service vulnerability exists in Jenkins 2.137 and earlier, 2.121.2 and earlier in BasicAuthenticationFilter.java, BasicHeaderApiTokenAuthenticator.java that allows attackers to create ephemeral in-memory user records by attempting to log in using invalid credentials.","published":"2018-08-23T18:29:00.577Z","modified":"2026-07-08T20:04:23.370057Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.jenkins-ci.main:jenkins-core","fixedVersion":"2.121.3"},{"ecosystem":"Maven","name":"org.jenkins-ci.main:jenkins-core","fixedVersion":"2.138"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://jenkins.io/security/advisory/2018-08-15/#SECURITY-672"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T20:04:23.370057Z"}}