{"id":"JLSEC-2026-92","details":"lib/kadm5/kadm_rpc_xdr.c in MIT Kerberos 5 (aka krb5) before 1.20.2 and 1.21.x before 1.21.1 frees an uninitialized pointer. A remote authenticated user can trigger a kadmind crash. This occurs because _xdr_kadm5_principal_ent_rec does not validate the relationship between n_key_data and the key_data array count.","modified":"2026-04-13T14:45:08.164241Z","published":"2026-04-13T14:33:47.115Z","upstream":["CVE-2023-36054"],"database_specific":{"sources":[{"id":"CVE-2023-36054","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2023-36054","modified":"2024-11-21T08:09:15.227Z","published":"2023-08-07T19:15:09.840Z","imported":"2026-04-13T14:12:33.242Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2023-36054"}],"license":"CC-BY-4.0"},"references":[{"type":"WEB","url":"https://github.com/krb5/krb5/commit/ef08b09c9459551aabbe7924fb176f1583053cdd"},{"type":"WEB","url":"https://github.com/krb5/krb5/compare/krb5-1.20.1-final...krb5-1.20.2-final"},{"type":"WEB","url":"https://github.com/krb5/krb5/compare/krb5-1.21-final...krb5-1.21.1-final"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2023/10/msg00031.html"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20230908-0004/"},{"type":"WEB","url":"https://web.mit.edu/kerberos/www/advisories/"},{"type":"WEB","url":"https://github.com/krb5/krb5/commit/ef08b09c9459551aabbe7924fb176f1583053cdd"},{"type":"WEB","url":"https://github.com/krb5/krb5/compare/krb5-1.20.1-final...krb5-1.20.2-final"},{"type":"WEB","url":"https://github.com/krb5/krb5/compare/krb5-1.21-final...krb5-1.21.1-final"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2023/10/msg00031.html"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20230908-0004/"},{"type":"WEB","url":"https://web.mit.edu/kerberos/www/advisories/"}],"affected":[{"package":{"name":"Kerberos_krb5_jll","ecosystem":"Julia","purl":"pkg:julia/Kerberos_krb5_jll?uuid=b39eb1a6-c29a-53d7-8c32-632cd16f18da"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.21.3+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-92.json"}}],"schema_version":"1.7.5"}