{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Moderate" }, "category": "csaf_vex", "csaf_version": "2.0", "distribution": { "text": "Copyright © Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-25282.json" } ], "title": "nmap: zenmap: Nmap/ZenMap: Denial of Service via XML entity expansion", "tracking": { "current_release_date": "2026-07-03T14:58:49+00:00", "generator": { "date": "2026-07-03T14:58:49+00:00", "engine": { "name": "Red Hat SDEngine", "version": "5.3.1" } }, "id": "CVE-2018-25282", "initial_release_date": "2018-01-01T00:00:00+00:00", "revision_history": [ { "date": "2018-01-01T00:00:00+00:00", "number": "1", "summary": "Initial version" }, { "date": "2026-07-03T14:19:18+00:00", "number": "2", "summary": "Current version" }, { "date": "2026-07-03T14:58:49+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux 10", "product": { "name": "Red Hat Enterprise Linux 10", "product_id": "red_hat_enterprise_linux_10", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:10" } } } ], "category": "product_family", "name": "Red Hat Enterprise Linux 10" }, { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux 6", "product": { "name": "Red Hat Enterprise Linux 6", "product_id": "red_hat_enterprise_linux_6", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:6" } } } ], "category": "product_family", "name": "Red Hat Enterprise Linux 6" }, { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux 7", "product": { "name": "Red Hat Enterprise Linux 7", "product_id": "red_hat_enterprise_linux_7", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:7" } } } ], "category": "product_family", "name": "Red Hat Enterprise Linux 7" }, { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux 8", "product": { "name": "Red Hat Enterprise Linux 8", "product_id": "red_hat_enterprise_linux_8", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:8" } } } ], "category": "product_family", "name": "Red Hat Enterprise Linux 8" }, { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux 9", "product": { "name": "Red Hat Enterprise Linux 9", "product_id": "red_hat_enterprise_linux_9", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:9" } } } ], "category": "product_family", "name": "Red Hat Enterprise Linux 9" }, { "branches": [ { "category": "product_name", "name": "Red Hat OpenShift Container Platform 4", "product": { "name": "Red Hat OpenShift Container Platform 4", "product_id": "red_hat_openshift_container_platform_4", "product_identification_helper": { "cpe": "cpe:/a:redhat:openshift:4" } } } ], "category": "product_family", "name": "Red Hat OpenShift Container Platform 4" }, { "category": "product_version", "name": "nmap.src", "product": { "name": "nmap.src", "product_id": "nmap.src", "product_identification_helper": { "purl": "pkg:rpm/redhat/nmap?arch=src" } } }, { "category": "product_version", "name": "nmap-ncat", "product": { "name": "nmap-ncat", "product_id": "nmap-ncat", "product_identification_helper": { "purl": "pkg:rpm/redhat/nmap-ncat" } } }, { "category": "product_version", "name": "nmap-frontend", "product": { "name": "nmap-frontend", "product_id": "nmap-frontend", "product_identification_helper": { "purl": "pkg:rpm/redhat/nmap-frontend" } } }, { "category": "product_version", "name": "rhcos", "product": { "name": "rhcos", "product_id": "rhcos", "product_identification_helper": { "purl": "pkg:generic/redhat/rhcos" } } } ], "category": "vendor", "name": "Red Hat" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "nmap-ncat as a component of Red Hat Enterprise Linux 10", "product_id": "red_hat_enterprise_linux_10:nmap-ncat" }, "product_reference": "nmap-ncat", "relates_to_product_reference": "red_hat_enterprise_linux_10" }, { "category": "default_component_of", "full_product_name": { "name": "nmap.src as a component of Red Hat Enterprise Linux 10", "product_id": "red_hat_enterprise_linux_10:nmap.src" }, "product_reference": "nmap.src", "relates_to_product_reference": "red_hat_enterprise_linux_10" }, { "category": "default_component_of", "full_product_name": { "name": "nmap-frontend as a component of Red Hat Enterprise Linux 6", "product_id": "red_hat_enterprise_linux_6:nmap-frontend" }, "product_reference": "nmap-frontend", "relates_to_product_reference": "red_hat_enterprise_linux_6" }, { "category": "default_component_of", "full_product_name": { "name": "nmap.src as a component of Red Hat Enterprise Linux 6", "product_id": "red_hat_enterprise_linux_6:nmap.src" }, "product_reference": "nmap.src", "relates_to_product_reference": "red_hat_enterprise_linux_6" }, { "category": "default_component_of", "full_product_name": { "name": "nmap-frontend as a component of Red Hat Enterprise Linux 7", "product_id": "red_hat_enterprise_linux_7:nmap-frontend" }, "product_reference": "nmap-frontend", "relates_to_product_reference": "red_hat_enterprise_linux_7" }, { "category": "default_component_of", "full_product_name": { "name": "nmap-ncat as a component of Red Hat Enterprise Linux 7", "product_id": "red_hat_enterprise_linux_7:nmap-ncat" }, "product_reference": "nmap-ncat", "relates_to_product_reference": "red_hat_enterprise_linux_7" }, { "category": "default_component_of", "full_product_name": { "name": "nmap.src as a component of Red Hat Enterprise Linux 7", "product_id": "red_hat_enterprise_linux_7:nmap.src" }, "product_reference": "nmap.src", "relates_to_product_reference": "red_hat_enterprise_linux_7" }, { "category": "default_component_of", "full_product_name": { "name": "nmap-ncat as a component of Red Hat Enterprise Linux 8", "product_id": "red_hat_enterprise_linux_8:nmap-ncat" }, "product_reference": "nmap-ncat", "relates_to_product_reference": "red_hat_enterprise_linux_8" }, { "category": "default_component_of", "full_product_name": { "name": "nmap.src as a component of Red Hat Enterprise Linux 8", "product_id": "red_hat_enterprise_linux_8:nmap.src" }, "product_reference": "nmap.src", "relates_to_product_reference": "red_hat_enterprise_linux_8" }, { "category": "default_component_of", "full_product_name": { "name": "nmap-ncat as a component of Red Hat Enterprise Linux 9", "product_id": "red_hat_enterprise_linux_9:nmap-ncat" }, "product_reference": "nmap-ncat", "relates_to_product_reference": "red_hat_enterprise_linux_9" }, { "category": "default_component_of", "full_product_name": { "name": "nmap.src as a component of Red Hat Enterprise Linux 9", "product_id": "red_hat_enterprise_linux_9:nmap.src" }, "product_reference": "nmap.src", "relates_to_product_reference": "red_hat_enterprise_linux_9" }, { "category": "default_component_of", "full_product_name": { "name": "rhcos as a component of Red Hat OpenShift Container Platform 4", "product_id": "red_hat_openshift_container_platform_4:rhcos" }, "product_reference": "rhcos", "relates_to_product_reference": "red_hat_openshift_container_platform_4" } ] }, "vulnerabilities": [ { "cve": "CVE-2018-25282", "cwe": { "id": "CWE-776", "name": "Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')" }, "discovery_date": "2026-04-26T14:02:10.815916+00:00", "flags": [ { "label": "vulnerable_code_not_present", "product_ids": [ "red_hat_enterprise_linux_10:nmap-ncat", "red_hat_enterprise_linux_10:nmap.src", "red_hat_enterprise_linux_6:nmap-frontend", "red_hat_enterprise_linux_6:nmap.src", "red_hat_enterprise_linux_7:nmap-frontend", "red_hat_enterprise_linux_7:nmap-ncat", "red_hat_enterprise_linux_7:nmap.src", "red_hat_enterprise_linux_9:nmap-ncat", "red_hat_enterprise_linux_9:nmap.src" ] } ], "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2461936" } ], "notes": [ { "category": "description", "text": "A flaw was found in Nmap and ZenMap. A local attacker could exploit this vulnerability by crafting a malicious XML file with nested entity definitions. When this file is opened through ZenMap's scan import functionality, it causes the program to consume excessive system resources, leading to a denial of service (DoS) by crashing the application.", "title": "Vulnerability description" }, { "category": "summary", "text": "nmap: zenmap: Nmap/ZenMap: Denial of Service via XML entity expansion", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "known_affected": [ "red_hat_enterprise_linux_8:nmap-ncat", "red_hat_enterprise_linux_8:nmap.src", "red_hat_openshift_container_platform_4:rhcos" ], "known_not_affected": [ "red_hat_enterprise_linux_10:nmap-ncat", "red_hat_enterprise_linux_10:nmap.src", "red_hat_enterprise_linux_6:nmap-frontend", "red_hat_enterprise_linux_6:nmap.src", "red_hat_enterprise_linux_7:nmap-frontend", "red_hat_enterprise_linux_7:nmap-ncat", "red_hat_enterprise_linux_7:nmap.src", "red_hat_enterprise_linux_9:nmap-ncat", "red_hat_enterprise_linux_9:nmap.src" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2018-25282" }, { "category": "external", "summary": "RHBZ#2461936", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2461936" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2018-25282", "url": "https://www.cve.org/CVERecord?id=CVE-2018-25282" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2018-25282", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-25282" }, { "category": "external", "summary": "https://nmap.org/dist/nmap-7.70-setup.exe", "url": "https://nmap.org/dist/nmap-7.70-setup.exe" }, { "category": "external", "summary": "https://www.exploit-db.com/exploits/45357", "url": "https://www.exploit-db.com/exploits/45357" }, { "category": "external", "summary": "https://www.vulncheck.com/advisories/nmap-denial-of-service-via-xml-entity-expansion", "url": "https://www.vulncheck.com/advisories/nmap-denial-of-service-via-xml-entity-expansion" } ], "release_date": "2026-04-26T13:19:14.211000+00:00", "remediations": [ { "category": "none_available", "details": "Fix deferred", "product_ids": [ "red_hat_enterprise_linux_8:nmap-ncat", "red_hat_enterprise_linux_8:nmap.src", "red_hat_openshift_container_platform_4:rhcos" ] } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1" }, "products": [ "red_hat_enterprise_linux_10:nmap-ncat", "red_hat_enterprise_linux_10:nmap.src", "red_hat_enterprise_linux_6:nmap-frontend", "red_hat_enterprise_linux_6:nmap.src", "red_hat_enterprise_linux_7:nmap-frontend", "red_hat_enterprise_linux_7:nmap-ncat", "red_hat_enterprise_linux_7:nmap.src", "red_hat_enterprise_linux_8:nmap-ncat", "red_hat_enterprise_linux_8:nmap.src", "red_hat_enterprise_linux_9:nmap-ncat", "red_hat_enterprise_linux_9:nmap.src", "red_hat_openshift_container_platform_4:rhcos" ] } ], "threats": [ { "category": "impact", "details": "Moderate", "product_ids": [ "red_hat_enterprise_linux_10:nmap-ncat", "red_hat_enterprise_linux_10:nmap.src", "red_hat_enterprise_linux_6:nmap-frontend", "red_hat_enterprise_linux_6:nmap.src", "red_hat_enterprise_linux_7:nmap-frontend", "red_hat_enterprise_linux_7:nmap-ncat", "red_hat_enterprise_linux_7:nmap.src", "red_hat_enterprise_linux_8:nmap-ncat", "red_hat_enterprise_linux_8:nmap.src", "red_hat_enterprise_linux_9:nmap-ncat", "red_hat_enterprise_linux_9:nmap.src", "red_hat_openshift_container_platform_4:rhcos" ] } ], "title": "nmap: zenmap: Nmap/ZenMap: Denial of Service via XML entity expansion" } ] }