{"id":"UBUNTU-CVE-2026-103552","details":"Stack Overflow vulnerability in Apache Directory LDAP API. Before binding, a client can send a deeply nested search filter that overflows the stack in the server's decoder. This issue affects Apache Directory LDAP API: from 1.2.0 before 1.2.9. Users are recommended to upgrade to version 1.2.9, which fixes the issue.","modified":"2026-10-05T13:04:11.517544326Z","published":"2026-10-05T00:00:00Z","upstream":["CVE-2026-103552"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-103552"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-103552"},{"type":"REPORT","url":"https://www.openwall.com/lists/oss-security/2026/10/02/4"},{"type":"REPORT","url":"https://lists.apache.org/thread.html/fn3bwknn57266hx66w9vv6b4k8rfwcx7"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2026/10/02/4"}],"affected":[{"package":{"name":"apache-directory-api","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/apache-directory-api?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.0~M20-3"],"ecosystem_specific":{"binaries":[{"binary_name":"libapache-directory-api-java","binary_version":"1.0.0~M20-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-103552.json"}},{"package":{"name":"apache-directory-api","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/apache-directory-api?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.0~M20-5","1.0.0-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.0.0-1","binary_name":"libapache-directory-api-java"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-103552.json"}},{"package":{"name":"apache-directory-api","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/apache-directory-api?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.0-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libapache-directory-api-java","binary_version":"1.0.0-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-103552.json"}},{"package":{"name":"apache-directory-api","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/apache-directory-api?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.0-2"],"ecosystem_specific":{"binaries":[{"binary_name":"libapache-directory-api-java","binary_version":"1.0.0-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-103552.json"}},{"package":{"name":"apache-directory-api","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/apache-directory-api?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.2-1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.1.2-1","binary_name":"libapache-directory-api-java"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-103552.json"}},{"package":{"name":"apache-directory-api","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/apache-directory-api?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.2-2","2.1.2-2build1"],"ecosystem_specific":{"binaries":[{"binary_name":"libapache-directory-api-java","binary_version":"2.1.2-2build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-103552.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"},{"type":"Ubuntu","score":"medium"}]}