{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-56154", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-06-19T12:42:54.699Z", "datePublished": "2026-10-01T16:03:52.280Z", "dateUpdated": "2026-10-01T20:09:23.709Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-10-01T16:03:52.280Z" }, "title": "Apache HTTP Server: mod_rewrite use-after-free via %{LA-U:HTTP:...}", "problemTypes": [ { "descriptions": [ { "description": "CWE-416 Use After Free", "lang": "en", "cweId": "CWE-416", "type": "CWE" } ] } ], "source": { "discovery": "UNKNOWN" }, "affected": [ { "vendor": "Apache Software Foundation", "product": "Apache HTTP Server", "versions": [ { "status": "affected", "version": "2.4.0", "lessThanOrEqual": "2.4.68", "versionType": "semver" } ], "defaultStatus": "unaffected" } ], "descriptions": [ { "value": "Use After Free vulnerability in Apache HTTP Server's mod_rewrite when using lookahead (%{LA-U:HTTP:...})\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.", "lang": "en", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "
Use After Free vulnerability in Apache HTTP Server's mod_rewrite when using lookahead (%{LA-U:HTTP:...})
This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.