{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-119618", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-10-30T12:32:13.904Z", "datePublished": "2026-11-11T14:54:08.155Z", "dateUpdated": "2026-11-11T15:55:23.793Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-11-11T15:55:23.793Z"}, "title": "Apache HTTP Server: mod_http2: heap corruption and RCE in assign_headers", "problemTypes": [{"descriptions": [{"description": "CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization", "lang": "en", "cweId": "CWE-362", "type": "CWE"}]}], "source": {"discovery": "UNKNOWN"}, "affected": [{"vendor": "Apache Software Foundation", "product": "Apache HTTP Server", "versions": [{"status": "affected", "version": "2.4.55", "lessThanOrEqual": "2.4.70", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"value": "Concurrent Execution using Shared Resource with Improper Synchronization vulnerability in Apache HTTP Server's mod_http2 in assign_headers() can lead to RCE.\n\nThis issue affects Apache HTTP Server: from 2.4.55 through 2.4.70.\nAffected releases of mod_h2 from GitHub: from 2.0.8 through 2.0.42.", "lang": "en", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Concurrent Execution using Shared Resource with Improper Synchronization vulnerability in Apache HTTP Server's mod_http2 in assign_headers() can lead to RCE.<br><span><br>This issue affects Apache HTTP Server: from 2.4.55 through 2.4.70.<br></span><span>Affected releases of mod_h2 from GitHub: from 2.0.8 through 2.0.42.</span></p>"}]}], "references": [{"url": "https://httpd.apache.org/security/vulnerabilities_24.html", "tags": ["vendor-advisory"]}], "metrics": [{"other": {"type": "Textual description of severity", "content": {"text": "critical"}}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "timeline": [{"time": "2026-10-26T12:00:00.000Z", "lang": "en", "value": "reported (Anthropic)"}, {"time": "2026-11-03T15:50:00.000Z", "lang": "en", "value": "reported (Google)"}], "credits": [{"lang": "en", "value": "Anthropic's OSS Scanner, as vulnerability ANT-2026-MAPKT6MZ", "type": "finder"}, {"lang": "en", "value": "Anthony Weems and Simon Scannell of the Google Cloud Vulnerability Research", "type": "finder"}], "x_generator": {"engine": "Vulnogram 1.0.3"}}}}

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