{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-44631", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-05-07T12:39:02.065Z", "datePublished": "2026-06-08T15:19:23.570Z", "dateUpdated": "2026-06-08T22:32:33.325Z" }, "containers": { "cna": { "affected": [ { "defaultStatus": "unaffected", "product": "Apache HTTP Server", "vendor": "Apache Software Foundation", "versions": [ { "lessThanOrEqual": "2.4.67", "status": "affected", "version": "2.4.0", "versionType": "semver" } ] } ], "credits": [ { "lang": "en", "type": "finder", "value": "Zhenpeng (Leo) Lin at depthfirst" }, { "lang": "en", "type": "finder", "value": "Bartlomiej Dmitruk" } ], "descriptions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "

Buffer Underwrite vulnerability in Apache HTTP Server on crafted regular expressions in the configuration.

This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67.

Users are recommended to upgrade to version 2.4.68, which fixes the issue.

" } ], "value": "Buffer Underwrite vulnerability in Apache HTTP Server on crafted regular expressions in the configuration.\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.67.\n\nUsers are recommended to upgrade to version 2.4.68, which fixes the issue." } ], "metrics": [ { "other": { "content": { "text": "low" }, "type": "Textual description of severity" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-124", "description": "CWE-124: Buffer Underwrite", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-06-08T15:19:23.570Z" }, "references": [ { "tags": [ "vendor-advisory" ], "url": "https://httpd.apache.org/security/vulnerabilities_24.html" } ], "source": { "discovery": "UNKNOWN" }, "timeline": [ { "lang": "en", "time": "2026-04-27T12:00:00.000Z", "value": "reported" }, { "lang": "en", "time": "2026-06-05T12:00:00.000Z", "value": "fixed in 2.4.x by r1935015" }, { "lang": "eng", "time": "2026-06-08T12:00:00.000Z", "value": "2.4.68 released" } ], "title": "Apache HTTP Server: Heap Underflow in `ap_regname` via Signed Char Overflow", "x_generator": { "engine": "Vulnogram 0.2.0" } }, "adp": [ { "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2026-06-08T19:43:09.481041Z", "id": "CVE-2026-44631", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-08T19:43:13.169Z" } }, { "title": "CVE Program Container", "references": [ { "url": "http://www.openwall.com/lists/oss-security/2026/06/08/14" } ], "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-06-08T22:32:33.325Z" } } ] } }