CVE-2026-103552

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-103552", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-09-30T20:36:55.045Z", "datePublished": "2026-10-02T09:48:05.132Z", "dateUpdated": "2026-10-02T21:07:19.881Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-10-02T09:48:05.132Z"}, "title": "Apache Directory LDAP API: A unbound client can send a deeply nested search filter that overflows the stack in the server's decoder", "problemTypes": [{"descriptions": [{"description": "CWE-121 Stack-based buffer overflow", "lang": "en", "cweId": "CWE-121", "type": "CWE"}]}], "source": {"discovery": "INTERNAL"}, "affected": [{"vendor": "Apache Software Foundation", "product": "Apache Directory LDAP API", "packageURL": "pkg:maven/org.apache.directory.api/api-ldap-codec-core", "versions": [{"status": "affected", "version": "1.2.0", "lessThan": "1.2.9", "versionType": "semver"}], "defaultStatus": "unaffected", "collectionURL": "https://repo.maven.apache.org/maven2", "packageName": "org.apache.directory.api:api-ldap-codec-core"}], "descriptions": [{"value": "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.", "lang": "en", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Stack Overflow vulnerability in Apache Directory LDAP API.</p><p><span>Before binding, a client can send a deeply nested search filter </span><span>that overflows the stack in the server's decoder.</span></p><p>This issue affects Apache Directory LDAP API: from 1.2.0 before 1.2.9.</p><p>Users are recommended to upgrade to version 1.2.9, which fixes the issue.</p>"}]}], "references": [{"url": "https://lists.apache.org/thread.html/fn3bwknn57266hx66w9vv6b4k8rfwcx7", "tags": ["vendor-advisory"]}], "metrics": [{"other": {"type": "Textual description of severity", "content": {"text": "critical"}}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "credits": [{"lang": "en", "value": "Claude Security", "type": "tool"}, {"lang": "en", "value": "The Apache Software Foundation", "type": "finder"}], "x_generator": {"engine": "Vulnogram 1.0.3"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.3, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-10-02T18:29:24.190444Z", "id": "CVE-2026-103552", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-02T18:29:28.186Z"}}, {"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/10/02/4"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-10-02T21:07:19.881Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/10/02/4"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-10-02T21:07:19.881Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.3, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-103552", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-02T18:29:24.190444Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-02T18:29:17.667Z"}}], "cna": {"title": "Apache Directory LDAP API: A unbound client can send a deeply nested search filter that overflows the stack in the server's decoder", "source": {"discovery": "INTERNAL"}, "credits": [{"lang": "en", "type": "tool", "value": "Claude Security"}, {"lang": "en", "type": "finder", "value": "The Apache Software Foundation"}], "metrics": [{"other": {"type": "Textual description of severity", "content": {"text": "critical"}}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Apache Software Foundation", "product": "Apache Directory LDAP API", "versions": [{"status": "affected", "version": "1.2.0", "lessThan": "1.2.9", "versionType": "semver"}], "packageURL": "pkg:maven/org.apache.directory.api/api-ldap-codec-core", "packageName": "org.apache.directory.api:api-ldap-codec-core", "collectionURL": "https://repo.maven.apache.org/maven2", "defaultStatus": "unaffected"}], "references": [{"url": "https://lists.apache.org/thread.html/fn3bwknn57266hx66w9vv6b4k8rfwcx7", "tags": ["vendor-advisory"]}], "x_generator": {"engine": "Vulnogram 1.0.3"}, "descriptions": [{"lang": "en", "value": "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.", "supportingMedia": [{"type": "text/html", "value": "<p>Stack Overflow vulnerability in Apache Directory LDAP API.</p><p><span>Before binding, a client can send a deeply nested search filter </span><span>that overflows the stack in the server's decoder.</span></p><p>This issue affects Apache Directory LDAP API: from 1.2.0 before 1.2.9.</p><p>Users are recommended to upgrade to version 1.2.9, which fixes the issue.</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-121", "description": "CWE-121 Stack-based buffer overflow"}]}], "providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-10-02T09:48:05.132Z"}}}, "cveMetadata": {"cveId": "CVE-2026-103552", "state": "PUBLISHED", "dateUpdated": "2026-10-02T21:07:19.881Z", "dateReserved": "2026-09-30T20:36:55.045Z", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "datePublished": "2026-10-02T09:48:05.132Z", "assignerShortName": "apache"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"collectionURL": "https://repo.maven.apache.org/maven2", "defaultStatus": "unaffected", "packageName": "org.apache.directory.api:api-ldap-codec-core", "packageURL": "pkg:maven/org.apache.directory.api/api-ldap-codec-core", "product": "Apache Directory LDAP API", "vendor": "Apache Software Foundation", "versions": [{"lessThan": "1.2.9", "status": "affected", "version": "1.2.0", "versionType": "semver"}]}], "source": "security@apache.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-103552", "lastModified": "2026-10-02T22:16:53.420", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.4, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-103552", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-02T18:29:24.190444Z", "version": "2.0.3"}}]}, "published": "2026-10-02T10:17:06.303", "references": [{"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/fn3bwknn57266hx66w9vv6b4k8rfwcx7"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2026/10/02/4"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-121"}], "source": "security@apache.org", "type": "Secondary"}]}

{"bugzilla": {"description": "org.apache.directory.api/api-ldap-codec-core: Apache Directory LDAP API: Denial of Service via deeply nested search filter", "id": "2544996", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2544996"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-770", "details": ["A flaw was found in Apache Directory LDAP API. An unauthenticated remote attacker can cause a Denial of Service (DoS) by submitting a deeply nested search filter before authenticating (binding) with the server. Processing this filter triggers a stack overflow in the server decoder, resulting in an application crash."], "name": "CVE-2026-103552", "package_state": [{"cpe": "cpe:/a:redhat:jboss_fuse:7", "fix_state": "Affected", "package_name": "api-ldap-codec-core", "product_name": "Red Hat Fuse 7"}], "public_date": "2026-10-02T09:48:05Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-103552\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-103552\nhttps://lists.apache.org/thread.html/fn3bwknn57266hx66w9vv6b4k8rfwcx7"], "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[1.2.0,1.2.9)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Apache Directory LDAP API", "source": "cna", "vendor": "Apache Software Foundation"}, "product": "directory_ldap_api", "vendor": "apache"}], "created": "2026-10-02T11:30:17.833613+00:00", "updated": "2026-10-03T02:00:22.342090+00:00", "vendors": ["apache", "apache$PRODUCT$directory_ldap_api"]}