{"id":"UBUNTU-CVE-2025-24528","details":"In MIT Kerberos 5 (aka krb5) before 1.22 (with incremental propagation), there is an integer overflow for a large update size to resize() in kdb_log.c. An authenticated attacker can cause an out-of-bounds write and kadmind daemon crash.","modified":"2026-04-22T15:39:36.294220Z","published":"2025-01-31T00:00:00Z","related":["USN-7314-1"],"upstream":["CVE-2025-24528"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-24528"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-24528"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7314-1"}],"affected":[{"package":{"name":"krb5","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/krb5@1.12+dfsg-2ubuntu5.4+esm7?arch=source&distro=esm-infra-legacy/trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.10.1+dfsg-6.1ubuntu1","1.11.3+dfsg-3ubuntu2","1.12+dfsg-2ubuntu1","1.12+dfsg-2ubuntu2","1.12+dfsg-2ubuntu3","1.12+dfsg-2ubuntu4","1.12+dfsg-2ubuntu4.2","1.12+dfsg-2ubuntu5","1.12+dfsg-2ubuntu5.1","1.12+dfsg-2ubuntu5.2","1.12+dfsg-2ubuntu5.3","1.12+dfsg-2ubuntu5.4","1.12+dfsg-2ubuntu5.4+esm1","1.12+dfsg-2ubuntu5.4+esm2","1.12+dfsg-2ubuntu5.4+esm3","1.12+dfsg-2ubuntu5.4+esm4","1.12+dfsg-2ubuntu5.4+esm5","1.12+dfsg-2ubuntu5.4+esm6","1.12+dfsg-2ubuntu5.4+esm7"],"ecosystem_specific":{"binaries":[{"binary_version":"1.12+dfsg-2ubuntu5.4+esm7","binary_name":"krb5-admin-server"},{"binary_version":"1.12+dfsg-2ubuntu5.4+esm7","binary_name":"krb5-gss-samples"},{"binary_version":"1.12+dfsg-2ubuntu5.4+esm7","binary_name":"krb5-kdc"},{"binary_version":"1.12+dfsg-2ubuntu5.4+esm7","binary_name":"krb5-kdc-ldap"},{"binary_version":"1.12+dfsg-2ubuntu5.4+esm7","binary_name":"krb5-locales"},{"binary_version":"1.12+dfsg-2ubuntu5.4+esm7","binary_name":"krb5-multidev"},{"binary_version":"1.12+dfsg-2ubuntu5.4+esm7","binary_name":"krb5-otp"},{"binary_version":"1.12+dfsg-2ubuntu5.4+esm7","binary_name":"krb5-pkinit"},{"binary_version":"1.12+dfsg-2ubuntu5.4+esm7","binary_name":"krb5-user"},{"binary_version":"1.12+dfsg-2ubuntu5.4+esm7","binary_name":"libgssapi-krb5-2"},{"binary_version":"1.12+dfsg-2ubuntu5.4+esm7","binary_name":"libgssrpc4"},{"binary_version":"1.12+dfsg-2ubuntu5.4+esm7","binary_name":"libk5crypto3"},{"binary_version":"1.12+dfsg-2ubuntu5.4+esm7","binary_name":"libkadm5clnt-mit9"},{"binary_version":"1.12+dfsg-2ubuntu5.4+esm7","binary_name":"libkadm5srv-mit8"},{"binary_version":"1.12+dfsg-2ubuntu5.4+esm7","binary_name":"libkadm5srv-mit9"},{"binary_version":"1.12+dfsg-2ubuntu5.4+esm7","binary_name":"libkdb5-7"},{"binary_version":"1.12+dfsg-2ubuntu5.4+esm7","binary_name":"libkrad0"},{"binary_version":"1.12+dfsg-2ubuntu5.4+esm7","binary_name":"libkrb5-3"},{"binary_version":"1.12+dfsg-2ubuntu5.4+esm7","binary_name":"libkrb5support0"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-24528.json"}},{"package":{"name":"krb5","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/krb5@1.13.2+dfsg-5ubuntu2.2+esm7?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.13.2+dfsg-2","1.13.2+dfsg-3","1.13.2+dfsg-4","1.13.2+dfsg-5","1.13.2+dfsg-5ubuntu1","1.13.2+dfsg-5ubuntu2","1.13.2+dfsg-5ubuntu2.1","1.13.2+dfsg-5ubuntu2.1+esm1","1.13.2+dfsg-5ubuntu2.2","1.13.2+dfsg-5ubuntu2.2+esm3","1.13.2+dfsg-5ubuntu2.2+esm4","1.13.2+dfsg-5ubuntu2.2+esm5","1.13.2+dfsg-5ubuntu2.2+esm6","1.13.2+dfsg-5ubuntu2.2+esm7"],"ecosystem_specific":{"binaries":[{"binary_version":"1.13.2+dfsg-5ubuntu2.2+esm7","binary_name":"krb5-admin-server"},{"binary_version":"1.13.2+dfsg-5ubuntu2.2+esm7","binary_name":"krb5-gss-samples"},{"binary_version":"1.13.2+dfsg-5ubuntu2.2+esm7","binary_name":"krb5-k5tls"},{"binary_version":"1.13.2+dfsg-5ubuntu2.2+esm7","binary_name":"krb5-kdc"},{"binary_version":"1.13.2+dfsg-5ubuntu2.2+esm7","binary_name":"krb5-kdc-ldap"},{"binary_version":"1.13.2+dfsg-5ubuntu2.2+esm7","binary_name":"krb5-locales"},{"binary_version":"1.13.2+dfsg-5ubuntu2.2+esm7","binary_name":"krb5-multidev"},{"binary_version":"1.13.2+dfsg-5ubuntu2.2+esm7","binary_name":"krb5-otp"},{"binary_version":"1.13.2+dfsg-5ubuntu2.2+esm7","binary_name":"krb5-pkinit"},{"binary_version":"1.13.2+dfsg-5ubuntu2.2+esm7","binary_name":"krb5-user"},{"binary_version":"1.13.2+dfsg-5ubuntu2.2+esm7","binary_name":"libgssapi-krb5-2"},{"binary_version":"1.13.2+dfsg-5ubuntu2.2+esm7","binary_name":"libgssrpc4"},{"binary_version":"1.13.2+dfsg-5ubuntu2.2+esm7","binary_name":"libk5crypto3"},{"binary_version":"1.13.2+dfsg-5ubuntu2.2+esm7","binary_name":"libkadm5clnt-mit9"},{"binary_version":"1.13.2+dfsg-5ubuntu2.2+esm7","binary_name":"libkadm5srv-mit9"},{"binary_version":"1.13.2+dfsg-5ubuntu2.2+esm7","binary_name":"libkdb5-8"},{"binary_version":"1.13.2+dfsg-5ubuntu2.2+esm7","binary_name":"libkrad0"},{"binary_version":"1.13.2+dfsg-5ubuntu2.2+esm7","binary_name":"libkrb5-3"},{"binary_version":"1.13.2+dfsg-5ubuntu2.2+esm7","binary_name":"libkrb5support0"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-24528.json"}},{"package":{"name":"krb5","ecosystem":"Ubuntu:Pro:18.04:LTS","purl"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