{"id":"JLSEC-2026-173","details":"In OpenLDAP through 2.4.57 and 2.5.x through 2.5.1alpha, an assertion failure in slapd can occur in the issuerAndThisUpdateCheck function via a crafted packet, resulting in a denial of service (daemon exit) via a short timestamp. This is related to schema_init.c and checkTime.","modified":"2026-04-21T00:16:48.912807Z","published":"2026-04-21T00:04:14.628Z","upstream":["CVE-2021-27212"],"database_specific":{"license":"CC-BY-4.0","sources":[{"url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2021-27212","database_specific":{"status":"Modified"},"html_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-27212","id":"CVE-2021-27212","published":"2021-02-14T03:15:12.957Z","modified":"2024-11-21T05:57:36.240Z","imported":"2026-04-20T22:59:56.358Z"}]},"references":[{"type":"WEB","url":"https://bugs.openldap.org/show_bug.cgi?id=9454"},{"type":"WEB","url":"https://bugs.openldap.org/show_bug.cgi?id=9454"},{"type":"WEB","url":"https://git.openldap.org/openldap/openldap/-/commit/3539fc33212b528c56b716584f2c2994af7c30b0"},{"type":"WEB","url":"https://git.openldap.org/openldap/openldap/-/commit/3539fc33212b528c56b716584f2c2994af7c30b0"},{"type":"WEB","url":"https://git.openldap.org/openldap/openldap/-/commit/9badb73425a67768c09bcaed1a9c26c684af6c30"},{"type":"WEB","url":"https://git.openldap.org/openldap/openldap/-/commit/9badb73425a67768c09bcaed1a9c26c684af6c30"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2021/02/msg00035.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2021/02/msg00035.html"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20210319-0005/"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20210319-0005/"},{"type":"WEB","url":"https://www.debian.org/security/2021/dsa-4860"},{"type":"WEB","url":"https://www.debian.org/security/2021/dsa-4860"}],"affected":[{"package":{"name":"OpenLDAPClient_jll","ecosystem":"Julia","purl":"pkg:julia/OpenLDAPClient_jll?uuid=234f2d50-f964-585e-b1c8-17cd4567e563"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.5.14+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-173.json"}}],"schema_version":"1.7.5"}