{"id":"USN-6467-2","summary":"krb5 vulnerability","details":"USN-6467-1 fixed a vulnerability in Kerberos. This update provides the\ncorresponding update for Ubuntu 20.04 LTS, Ubuntu 22.04 LTS and Ubuntu\n23.04.\n\nOriginal advisory details:\n\n Robert Morris discovered that Kerberos did not properly handle memory\n access when processing RPC data through kadmind, which could lead to the\n freeing of uninitialized memory. An authenticated remote attacker could\n possibly use this issue to cause kadmind to crash, resulting in a denial\n of service.\n","modified":"2026-04-27T16:58:16.904244Z","published":"2023-11-06T09:36:15Z","related":["UBUNTU-CVE-2023-36054"],"upstream":["CVE-2023-36054","UBUNTU-CVE-2023-36054"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6467-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-36054"}],"affected":[{"package":{"name":"krb5","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/krb5@1.17-6ubuntu4.4?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.17-6ubuntu4.4"}]}],"versions":["1.17-6","1.17-6ubuntu3","1.17-6ubuntu4","1.17-6ubuntu4.1","1.17-6ubuntu4.2","1.17-6ubuntu4.3"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"krb5-admin-server","binary_version":"1.17-6ubuntu4.4"},{"binary_name":"krb5-gss-samples","binary_version":"1.17-6ubuntu4.4"},{"binary_name":"krb5-k5tls","binary_version":"1.17-6ubuntu4.4"},{"binary_name":"krb5-kdc","binary_version":"1.17-6ubuntu4.4"},{"binary_name":"krb5-kdc-ldap","binary_version":"1.17-6ubuntu4.4"},{"binary_name":"krb5-kpropd","binary_version":"1.17-6ubuntu4.4"},{"binary_name":"krb5-locales","binary_version":"1.17-6ubuntu4.4"},{"binary_name":"krb5-multidev","binary_version":"1.17-6ubuntu4.4"},{"binary_name":"krb5-otp","binary_version":"1.17-6ubuntu4.4"},{"binary_version":"1.17-6ubuntu4.4","binary_name":"krb5-pkinit"},{"binary_name":"krb5-user","binary_version":"1.17-6ubuntu4.4"},{"binary_name":"libgssapi-krb5-2","binary_version":"1.17-6ubuntu4.4"},{"binary_name":"libgssrpc4","binary_version":"1.17-6ubuntu4.4"},{"binary_name":"libk5crypto3","binary_version":"1.17-6ubuntu4.4"},{"binary_name":"libkadm5clnt-mit11","binary_version":"1.17-6ubuntu4.4"},{"binary_name":"libkadm5srv-mit11","binary_version":"1.17-6ubuntu4.4"},{"binary_name":"libkdb5-9","binary_version":"1.17-6ubuntu4.4"},{"binary_name":"libkrad0","binary_version":"1.17-6ubuntu4.4"},{"binary_name":"libkrb5-3","binary_version":"1.17-6ubuntu4.4"},{"binary_name":"libkrb5support0","binary_version":"1.17-6ubuntu4.4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6467-2.json","cves_map":{"cves":[{"id":"CVE-2023-36054","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:20.04:LTS"}}},{"package":{"name":"krb5","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/krb5@1.19.2-2ubuntu0.3?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.19.2-2ubuntu0.3"}]}],"versions":["1.18.3-6","1.18.3-7","1.19.2-0ubuntu1","1.19.2-1","1.19.2-2","1.19.2-2ubuntu0.1","1.19.2-2ubuntu0.2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.19.2-2ubuntu0.3","binary_name":"krb5-admin-server"},{"binary_name":"krb5-gss-samples","binary_version":"1.19.2-2ubuntu0.3"},{"binary_name":"krb5-k5tls","binary_version":"1.19.2-2ubuntu0.3"},{"binary_name":"krb5-kdc","binary_version":"1.19.2-2ubuntu0.3"},{"binary_name":"krb5-kdc-ldap","binary_version":"1.19.2-2ubuntu0.3"},{"binary_name":"krb5-kpropd","binary_version":"1.19.2-2ubuntu0.3"},{"binary_name":"krb5-locales","binary_version":"1.19.2-2ubuntu0.3"},{"binary_name":"krb5-multidev","binary_version":"1.19.2-2ubuntu0.3"},{"binary_name":"krb5-otp","binary_version":"1.19.2-2ubuntu0.3"},{"binary_name":"krb5-pkinit","binary_version":"1.19.2-2ubuntu0.3"},{"binary_version":"1.19.2-2ubuntu0.3","binary_name":"krb5-user"},{"binary_name":"libgssapi-krb5-2","binary_version":"1.19.2-2ubuntu0.3"},{"binary_name":"libgssrpc4","binary_version":"1.19.2-2ubuntu0.3"},{"binary_name":"libk5crypto3","binary_version":"1.19.2-2ubuntu0.3"},{"binary_name":"libkadm5clnt-mit12","binary_version":"1.19.2-2ubuntu0.3"},{"binary_name":"libkadm5srv-mit12","binary_version":"1.19.2-2ubuntu0.3"},{"binary_name":"libkdb5-10","binary_version":"1.19.2-2ubuntu0.3"},{"binary_name":"libkrad0","binary_version":"1.19.2-2ubuntu0.3"},{"binary_name":"libkrb5-3","binary_version":"1.19.2-2ubuntu0.3"},{"binary_name":"libkrb5support0","binary_version":"1.19.2-2ubuntu0.3"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2023-36054","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:22.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6467-2.json"}}],"schema_version":"1.7.5"}