{"id":"CVE-2026-103552","aliases":["DEBIAN-CVE-2026-103552","EUVD-2026-91382","GHSA-mggr-349m-j697","UBUNTU-CVE-2026-103552"],"status":"published","title":"Apache Directory LDAP API: A unbound client can send a deeply nested search filter that overflows the stack in the server's decoder","description":"Stack Overflow vulnerability in Apache Directory LDAP API.\n\n\n\nBefore binding, a client can send a deeply nested search filter that overflows the stack in the server's decoder.\n\n\n\nThis issue affects Apache Directory LDAP API: from 1.2.0 before 1.2.9.\n\n\n\nUsers are recommended to upgrade to version 1.2.9, which fixes the issue.","severity":{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00327,"percentile":0.2602,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-121"],"published":"2026-10-02T09:48:05Z","modified":"2026-11-10T04:00:06Z","fixes":[{"ecosystem":"Debian:14","package":"apache-directory-api","fixed_in":["2.1.9-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"apache-directory-api","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.2-1","2.1.2-2","2.1.9-1"]},{"source":"osv","ecosystem":"Debian:13","package":"apache-directory-api","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.2-2","2.1.9-1"]},{"source":"osv","ecosystem":"Debian:14","package":"apache-directory-api","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.9-1"}]}],"versions":["2.1.2-2"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"apache-directory-api","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.0~M20-3"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"apache-directory-api","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.0~M20-5","1.0.0-1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"apache-directory-api","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.0-1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"apache-directory-api","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.0-2"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"apache-directory-api","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.2-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"apache-directory-api","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.2-2build1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"apache-directory-api","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.2-2","2.1.2-2build1"]}],"products":[{"vendor":"apache software foundation","product":"apache directory ldap api"}],"references":[{"url":"https://lists.apache.org/thread.html/fn3bwknn57266hx66w9vv6b4k8rfwcx7","tags":["vendor-advisory","report"]},{"url":"http://www.openwall.com/lists/oss-security/2026/10/02/4","tags":["report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-103552"},{"url":"https://github.com/advisories/GHSA-mggr-349m-j697"},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-103552","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-103552","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-103552","tags":["report"]},{"url":"https://www.openwall.com/lists/oss-security/2026/10/02/4","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-103552","title":"Apache Directory LDAP API: A unbound client can send a deeply nested search filter that overflows the stack in the server's decoder","description":"Stack Overflow vulnerability in Apache Directory LDAP API.\n\n\n\nBefore binding, a client can send a deeply nested search filter that overflows the stack in the server's decoder.\n\n\n\nThis issue affects Apache Directory LDAP API: from 1.2.0 before 1.2.9.\n\n\n\nUsers are recommended to upgrade to version 1.2.9, which fixes the issue.","status":"published","published":"2026-10-02T09:48:05.132Z","modified":"2026-10-02T21:07:19.881Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"adp"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T13:34:37.420074Z"}],"euvd":[{"id":"EUVD-2026-91382","description":"Stack Overflow vulnerability in Apache Directory LDAP API.\n\n\n\nBefore binding, a client can send a deeply nested search filter that overflows the stack in the server's decoder.\n\n\n\nThis issue affects Apache Directory LDAP API: from 1.2.0 before 1.2.9.\n\n\n\nUsers are recommended to upgrade to version 1.2.9, which fixes the issue.","status":"published","published":"2026-10-02T09:48:05Z","modified":"2026-10-02T21:07:19Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"updated_at":"2026-11-02T17:27:41.962371Z"}],"ghsa":[{"id":"GHSA-mggr-349m-j697","title":"Stack Overflow vulnerability in Apache Directory LDAP API.\n\n\n\nBefore binding, a client can send a...","description":"Stack Overflow vulnerability in Apache Directory LDAP API.\n\n\n\nBefore binding, a client can send a deeply nested search filter that overflows the stack in the server's decoder.\n\n\n\nThis issue affects Apache Directory LDAP API: from 1.2.0 before 1.2.9.\n\n\n\nUsers are recommended to upgrade to version 1.2.9, which fixes the issue.","status":"published","published":"2026-10-02T12:31:09Z","modified":"2026-10-03T00:31:13Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T15:12:44.258575Z"}],"nvd":[{"id":"CVE-2026-103552","description":"Stack Overflow vulnerability in Apache Directory LDAP API.\n\n\n\nBefore binding, a client can send a deeply nested search filter that overflows the stack in the server's decoder.\n\n\n\nThis issue affects Apache Directory LDAP API: from 1.2.0 before 1.2.9.\n\n\n\nUsers are recommended to upgrade to version 1.2.9, which fixes the issue.","status":"published","published":"2026-10-02T10:17:06.303Z","modified":"2026-10-02T22:16:53.42Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"secondary"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:12:53.41762Z"}],"osv":[{"id":"DEBIAN-CVE-2026-103552","description":"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.","status":"published","published":"2026-10-02T10:17:06.303Z","modified":"2026-11-10T04:00:06.023399319Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"updated_at":"2026-11-10T04:22:10.004764Z"},{"id":"UBUNTU-CVE-2026-103552","description":"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.","status":"published","published":"2026-10-02T10:17:00Z","modified":"2026-10-17T12:57:59.322812848Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"updated_at":"2026-11-02T16:55:59.130573Z"}]}}