{"id":"CVE-2026-103885","title":"Asymmetric Resource Consumption vulnerability in Apache Directory LDAP API.\n\n\n\nA LDAP server using the LDAP API (like Apache DS) may consume 100% of a CPU core indefinitely when processing some badly crafted Telephone Numbers.\n\n\n\nThis is…","summary":"Asymmetric Resource Consumption vulnerability in Apache Directory LDAP API.\n\n\n\nA LDAP server using the LDAP API (like Apache DS) may consume 100% of a CPU core indefinitely when processing some badly crafted Telephone Numbers.\n\n\n\nThis is…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-400","CWE-835"],"vendor":"Apache Software Foundation","product":"org.apache.directory.api:api-ldap-model","affected":["org.apache.directory.api:api-ldap-model >= 2.1.0 < 2.1.9"],"published":"2026-10-02","updated":"2026-10-08","sourceUpdated":"2026-10-08T13:17:12.437","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-103885","references":[{"url":"https://lists.apache.org/thread.html/wjt9p1l123v6b3zd5dg41f8lfrgy5vg9","label":"security@apache.org"},{"url":"http://www.openwall.com/lists/oss-security/2026/10/02/8","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-103885.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-103885"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2545002"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-103885"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-103885"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-07T20:54:48.006563Z"},"epss":0.00433,"epssPercentile":0.37436,"ingestedAt":"2026-10-02T10:15:55.895Z","slug":"CVE-2026-103885","body":"## Overview\n\nAsymmetric Resource Consumption vulnerability in Apache Directory LDAP API.\n\n\n\nA LDAP server using the LDAP API (like Apache DS) may consume 100% of a CPU core indefinitely when processing some badly crafted Telephone Numbers.\n\n\n\nThis issue affects Apache Directory LDAP API: from 2.1.0 before 2.1.9.\n\n\n\nUsers are recommended to upgrade to version 2.1.9, which fixes the issue.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Important · affected: Red Hat Fuse 7 · no fix planned: Red Hat Fuse 7 · updated 2026-10-02 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-103885.json)","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":215242,"id":"CVE-2026-103885","ts":1791014453515,"field":"cvss","old":null,"new":"7.5"},{"seq":215241,"id":"CVE-2026-103885","ts":1791014453515,"field":"severity","old":"none","new":"high"}]}