{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-23918", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-01-19T13:00:21.720Z", "datePublished": "2026-05-04T14:44:28.513Z", "dateUpdated": "2026-05-05T03:56:10.684Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Apache HTTP Server", "vendor": "Apache Software Foundation", "versions": [{"status": "affected", "version": "2.4.66", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Bartlomiej Dmitruk, striga.ai"}, {"lang": "en", "type": "finder", "value": "Stanislaw Strzalkowski, isec.pl"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Double Free and possible RCE vulnerability in Apache HTTP Server with the HTTP/2 protocol.</p><p>This issue affects Apache HTTP Server: 2.4.66.</p><p>Users are recommended to upgrade to version 2.4.67, which fixes the issue.</p>"}], "value": "Double Free and possible RCE vulnerability in Apache HTTP Server with the HTTP/2 protocol.\n\nThis issue affects Apache HTTP Server: 2.4.66.\n\nUsers are recommended to upgrade to version 2.4.67, which fixes the issue."}], "metrics": [{"other": {"content": {"text": "important"}, "type": "Textual description of severity"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-415", "description": "CWE-415 Double Free", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-05-04T14:44:28.513Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://httpd.apache.org/security/vulnerabilities_24.html"}], "source": {"discovery": "UNKNOWN"}, "timeline": [{"lang": "en", "time": "2025-12-10T14:02:00.000Z", "value": "reported in PR 69899"}, {"lang": "en", "time": "2025-12-11T14:03:00.000Z", "value": "fixed in r1930444, r1930796"}], "title": "Apache HTTP Server: http2: double free and possible RCE on early reset", "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-05-04T00:00:00+00:00", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-23918"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-05T03:56:10.684Z"}}, {"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/05/04/19"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-05-04T17:32:35.852Z"}}]}}