{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-52891", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2025-06-20T17:42:25.709Z", "datePublished": "2025-07-02T15:03:34.068Z", "dateUpdated": "2025-07-02T15:27:34.504Z"}, "containers": {"cna": {"title": "ModSecurity empty XML tag causes segmentation fault", "problemTypes": [{"descriptions": [{"cweId": "CWE-20", "lang": "en", "description": "CWE-20: Improper Input Validation", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/owasp-modsecurity/ModSecurity/security/advisories/GHSA-gw9c-4wfm-vj3x", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/owasp-modsecurity/ModSecurity/security/advisories/GHSA-gw9c-4wfm-vj3x"}, {"name": "https://github.com/owasp-modsecurity/ModSecurity/commit/ecd7b9736836eee391d25f35d5bd06a3ce35a45d", "tags": ["x_refsource_MISC"], "url": "https://github.com/owasp-modsecurity/ModSecurity/commit/ecd7b9736836eee391d25f35d5bd06a3ce35a45d"}], "affected": [{"vendor": "owasp-modsecurity", "product": "ModSecurity", "versions": [{"version": ">= 2.9.8, < 2.9.11", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2025-07-02T15:05:00.938Z"}, "descriptions": [{"lang": "en", "value": "ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. In versions 2.9.8 to before 2.9.11, an empty XML tag can cause a segmentation fault. If SecParseXmlIntoArgs is set to On or OnlyArgs, and the request type is application/xml, and at least one XML tag is empty (eg <foo></foo>), then a segmentation fault occurs. This issue has been patched in version 2.9.11. A workaround involves setting SecParseXmlIntoArgs to Off."}], "source": {"advisory": "GHSA-gw9c-4wfm-vj3x", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-07-02T15:24:24.644464Z", "id": "CVE-2025-52891", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"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": "2025-07-02T15:27:34.504Z"}}]}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. In versions 2.9.8 to before 2.9.11, an empty XML tag can cause a segmentation fault. If SecParseXmlIntoArgs is set to On or OnlyArgs, and the request type is application/xml, and at least one XML tag is empty (eg <foo></foo>), then a segmentation fault occurs. This issue has been patched in version 2.9.11. A workaround involves setting SecParseXmlIntoArgs to Off."}, {"lang": "es", "value": "ModSecurity es un motor de firewall de aplicaciones web (WAF) multiplataforma de c\u00f3digo abierto para Apache, IIS y Nginx. En las versiones 2.9.8 y anteriores a la 2.9.11, una etiqueta XML vac\u00eda puede causar un fallo de segmentaci\u00f3n. Si SecParseXmlIntoArgs est\u00e1 activado o OnlyArgs, el tipo de solicitud es application/xml y al menos una etiqueta XML est\u00e1 vac\u00eda (por ejemplo, ), se produce un fallo de segmentaci\u00f3n. Este problema se ha corregido en la versi\u00f3n 2.9.11. Una soluci\u00f3n alternativa consiste en desactivar SecParseXmlIntoArgs."}], "id": "CVE-2025-52891", "lastModified": "2025-07-03T15:13:53.147", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "[email protected]", "type": "Secondary"}]}, "published": "2025-07-02T15:15:27.177", "references": [{"source": "[email protected]", "url": "https://github.com/owasp-modsecurity/ModSecurity/commit/ecd7b9736836eee391d25f35d5bd06a3ce35a45d"}, {"source": "[email protected]", "url": "https://github.com/owasp-modsecurity/ModSecurity/security/advisories/GHSA-gw9c-4wfm-vj3x"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "[email protected]", "type": "Primary"}]}

{"bugzilla": {"description": "mod_security: ModSecurity segmentation fault", "id": "2375926", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2375926"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-20", "details": ["ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. In versions 2.9.8 to before 2.9.11, an empty XML tag can cause a segmentation fault. If SecParseXmlIntoArgs is set to On or OnlyArgs, and the request type is application/xml, and at least one XML tag is empty (eg <foo></foo>), then a segmentation fault occurs. This issue has been patched in version 2.9.11. A workaround involves setting SecParseXmlIntoArgs to Off."], "mitigation": {"lang": "en:us", "value": "Users unable to upgrade may set `SecParseXmlIntoArgs` to `Off`"}, "name": "CVE-2025-52891", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "mod_security", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "mod_security", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "mod_security", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:jboss_core_services:1", "fix_state": "Not affected", "package_name": "jbcs-httpd24-mod_security", "product_name": "Red Hat JBoss Core Services"}, {"cpe": "cpe:/a:redhat:jboss_core_services:1", "fix_state": "Not affected", "package_name": "mod_security", "product_name": "Red Hat JBoss Core Services"}], "public_date": "2025-07-02T15:03:34Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-52891\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-52891\nhttps://github.com/owasp-modsecurity/ModSecurity/commit/ecd7b9736836eee391d25f35d5bd06a3ce35a45d\nhttps://github.com/owasp-modsecurity/ModSecurity/security/advisories/GHSA-gw9c-4wfm-vj3x"], "threat_severity": "Moderate"}