CVE-2026-49975

{"id": "CVE-2026-49975", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-49975", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-18T10:27:36.270403Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": 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[{"status": "unaffected", "version": "httpd24-httpd", "lessThan": "*", "versionType": "rpm"}, {"status": "unaffected", "version": "httpd24-mod_http2", "lessThan": "*", "versionType": "rpm"}], "packageName": "jbcs", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:hummingbird:1"], "vendor": "Red Hat", "product": "Red Hat Hardened Images", "versions": [{"status": "unaffected", "version": "2.4.68-1.hum1", "lessThan": "*", "versionType": "rpm"}], "packageName": "httpd-main", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:service_mesh:2.6::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Service Mesh 2.6", "versions": [{"status": "unaffected", "version": "1781604724", "lessThan": "*", "versionType": "rpm"}], "packageName": "openshift-service-mesh/proxyv2-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:jboss_core_services:1"], "vendor": "Red Hat", "product": "Red Hat JBoss Core Services", "packageName": "jbcs-httpd24-apache-commons-daemon", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:jboss_core_services:1"], "vendor": "Red Hat", "product": "Red Hat JBoss Core Services", "packageName": "jbcs-httpd24-apache-commons-daemon-jsvc", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:jboss_core_services:1"], "vendor": "Red Hat", "product": "Red Hat JBoss Core Services", "packageName": "jbcs-httpd24-apr", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:jboss_core_services:1"], "vendor": "Red Hat", "product": "Red Hat JBoss Core Services", "packageName": "jbcs-httpd24-apr-util", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:jboss_core_services:1"], "vendor": "Red Hat", "product": "Red Hat JBoss Core Services", "packageName": "jbcs-httpd24-brotli", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:jboss_core_services:1"], "vendor": "Red Hat", "product": "Red Hat JBoss Core Services", "packageName": "jbcs-httpd24-compose", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:jboss_core_services:1"], "vendor": "Red Hat", "product": "Red Hat JBoss Core Services", "packageName": "jbcs-httpd24-curl", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:jboss_core_services:1"], "vendor": "Red Hat", "product": "Red Hat JBoss Core Services", "packageName": "jbcs-httpd24-dist", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:jboss_core_services:1"], "vendor": "Red Hat", "product": "Red Hat JBoss Core Services", "packageName": "jbcs-httpd24-jansson", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:jboss_core_services:1"], "vendor": "Red Hat", "product": "Red Hat JBoss Core Services", "packageName": "jbcs-httpd24-mod_cluster-native", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:jboss_core_services:1"], "vendor": "Red Hat", "product": "Red Hat JBoss Core Services", "packageName": "jbcs-httpd24-mod_jk", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:jboss_core_services:1"], "vendor": "Red Hat", "product": "Red Hat JBoss Core Services", "packageName": "jbcs-httpd24-mod_md", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:jboss_core_services:1"], "vendor": "Red Hat", "product": "Red Hat JBoss Core Services", "packageName": "jbcs-httpd24-mod_proxy_cluster", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:jboss_core_services:1"], "vendor": "Red Hat", "product": "Red Hat JBoss Core Services", "packageName": "jbcs-httpd24-mod_security", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:jboss_core_services:1"], "vendor": "Red Hat", "product": "Red Hat JBoss Core Services", "packageName": "jbcs-httpd24-nghttp2", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:jboss_core_services:1"], "vendor": "Red Hat", "product": "Red Hat JBoss Core Services", "packageName": "jbcs-httpd24-openssl", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:jboss_core_services:1"], "vendor": "Red Hat", "product": "Red Hat JBoss Core Services", "packageName": "jbcs-httpd24-openssl-chil", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:jboss_core_services:1"], "vendor": "Red Hat", "product": "Red Hat JBoss Core Services", "packageName": "jbcs-httpd24-openssl-pkcs11", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:jboss_enterprise_web_server:5"], "vendor": "Red Hat", "product": "Red Hat JBoss Web Server 5", "packageName": "jbcs-httpd24-apr", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:jboss_enterprise_web_server:5"], "vendor": "Red Hat", "product": "Red Hat JBoss Web Server 5", "packageName": "jbcs-httpd24-openssl", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}]}], "published": "2026-06-08T16:16:44.223", "references": [{"url": "https://httpd.apache.org/security/vulnerabilities_24.html", "tags": ["Vendor Advisory"], "source": "security@apache.org"}, {"url": "http://www.openwall.com/lists/oss-security/2026/06/03/3", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2026/06/08/16", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2026/06/msg00009.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://access.redhat.com/errata/RHSA-2026:25042", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:25057", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:25090", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:25225", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:27114", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:27200", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:27201", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:36373", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:36831", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:36846", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/security/cve/CVE-2026-49975", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2485371", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://github.com/EQSTLab/CVE-2026-49975", "tags": ["Exploit", "Third Party Advisory"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}, {"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-49975.json", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "security@apache.org", "description": [{"lang": "en", "value": "CWE-789"}]}, {"type": "Secondary", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "description": [{"lang": "en", "value": "CWE-409"}]}], "descriptions": [{"lang": "en", "value": "Memory Allocation with Excessive Size Value vulnerability in Apache HTTP Server's mod_http leads to denial of service via malicious HTTP requests.\n\nThis issue affects Apache HTTP Server: from 2.4.17 through 2.4.67."}, {"lang": "es", "value": "Vulnerabilidad de asignaci\u00f3n de memoria con valor de tama\u00f1o excesivo en el mod_http del Servidor HTTP Apache conduce a denegaci\u00f3n de servicio a trav\u00e9s de solicitudes HTTP maliciosas.\n\nEste problema afecta al Servidor HTTP Apache: desde 2.4.17 hasta 2.4.67."}], "lastModified": "2026-07-23T07:10:00.113", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DD819875-456D-45A6-90C9-4EDA544029A4", "versionEndExcluding": "2.4.68", "versionStartIncluding": "2.4.17"}, {"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED"}], "operator": "OR"}]}], "sourceIdentifier": "security@apache.org"}