{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-15041", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2026-07-08T10:00:02.126Z", "datePublished": "2026-07-08T10:15:30.480Z", "dateUpdated": "2026-07-08T11:06:57.873Z"}, "containers": {"cna": {"title": "389-ds-base: 389-ds-base: non-constant-time comparison in pbkdf2-sha256 password verification", "metrics": [{"other": {"content": {"value": "Low", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "value": "A flaw was found in 389 Directory Server. The PBKDF2-SHA256 password verification function uses standard memcmp() for comparing password hashes instead of a constant-time comparison function. A remote attacker could potentially use timing measurements of LDAP bind attempts to infer partial hash information, though practical exploitation is extremely difficult due to PBKDF2 computational overhead."}], "affected": [{"vendor": "Red Hat", "product": "Red Hat Directory Server 11", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "redhat-ds:11/389-ds-base", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:directory_server:11"]}, {"vendor": "Red Hat", "product": "Red Hat Directory Server 12", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "redhat-ds:12/389-ds-base", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:directory_server:12"]}, {"vendor": "Red Hat", "product": "Red Hat Directory Server 13", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "389-ds-base", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:directory_server:13"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "389-ds-base", "defaultStatus": "affected", "cpes": ["cpe:/o:redhat:enterprise_linux:10"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 6", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "389-ds-base", "defaultStatus": "unaffected", "cpes": ["cpe:/o:redhat:enterprise_linux:6"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 7", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "389-ds-base", "defaultStatus": "affected", "cpes": ["cpe:/o:redhat:enterprise_linux:7"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "389-ds:1.4/389-ds-base", "defaultStatus": "affected", "cpes": ["cpe:/o:redhat:enterprise_linux:8"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "389-ds-base", "defaultStatus": "affected", "cpes": ["cpe:/o:redhat:enterprise_linux:9"]}], "references": [{"url": "https://access.redhat.com/security/cve/CVE-2026-15041", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2498022", "name": "RHBZ#2498022", "tags": ["issue-tracking", "x_refsource_REDHAT"]}], "datePublic": "2026-07-08T09:58:21.463Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-208", "description": "Observable Timing Discrepancy", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-208: Observable Timing Discrepancy", "workarounds": [{"lang": "en", "value": "If possible, configure 389 Directory Server to use an alternative password storage scheme (e.g., SSHA512 or GOST-Yescrypt) which uses constant-time comparison."}], "timeline": [{"lang": "en", "time": "2026-07-08T09:55:42.287Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-07-08T09:58:21.463Z", "value": "Made public."}], "credits": [{"lang": "en", "value": "Red Hat would like to thank Andrew Rukin (Arenadata) for reporting this issue."}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-07-08T11:06:57.873Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}}}

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{"acknowledgement": "Red Hat would like to thank Andrew Rukin (Arenadata) for reporting this issue.", "bugzilla": {"description": "389-ds-base: 389-ds-base: Non-constant-time comparison in PBKDF2-SHA256 password verification", "id": "2498022", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2498022"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.7", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "status": "draft"}, "cwe": "CWE-208", "details": ["A flaw was found in 389 Directory Server. The PBKDF2-SHA256 password verification function uses standard memcmp() for comparing password hashes instead of a constant-time comparison function. A remote attacker could potentially use timing measurements of LDAP bind attempts to infer partial hash information, though practical exploitation is extremely difficult due to PBKDF2 computational overhead."], "mitigation": {"lang": "en:us", "value": "If possible, configure 389 Directory Server to use an alternative password storage scheme (e.g., SSHA512 or GOST-Yescrypt) which uses constant-time comparison."}, "name": "CVE-2026-15041", "package_state": [{"cpe": "cpe:/a:redhat:directory_server:11", "fix_state": "Fix deferred", "package_name": "redhat-ds:11/389-ds-base", "product_name": "Red Hat Directory Server 11"}, {"cpe": "cpe:/a:redhat:directory_server:12", "fix_state": "Fix deferred", "package_name": "redhat-ds:12/389-ds-base", "product_name": "Red Hat Directory Server 12"}, {"cpe": "cpe:/a:redhat:directory_server:13", "fix_state": "Fix deferred", "package_name": "389-ds-base", "product_name": "Red Hat Directory Server 13"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "389-ds-base", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "389-ds-base", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "389-ds-base", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "389-ds:1.4/389-ds-base", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "389-ds-base", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-07-08T09:58:21Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-15041\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-15041"], "threat_severity": "Low"}

{}