{"id":"CVE-2026-56154","summary":"Apache HTTP Server: mod_rewrite use-after-free via %{LA-U:HTTP:...}","details":"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.","aliases":["BIT-apache-2026-56154"],"modified":"2026-11-05T21:32:23.865781561Z","published":"2026-10-01T16:03:52.280Z","related":["ALSA-2026:88229","ALSA-2026:89860","ALSA-2026:92616","SUSE-SU-2026:5075-1","SUSE-SU-2026:5076-1","SUSE-SU-2026:5077-1","SUSE-SU-2026:5099-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56154.json","unresolved_ranges":[{"extracted_events":[{"strategy":"StandardRange","range":[{"introduced":"2.4.0"},{"last_affected":"2.4.68"}],"source":"AFFECTED_FIELD"}]}],"cna_assigner":"apache","cwe_ids":["CWE-416"]},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/10/01/17"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56154.json"},{"type":"ADVISORY","url":"https://httpd.apache.org/security/vulnerabilities_24.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56154"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/httpd","events":[{"introduced":"da5873e80d6eee7a0838793bf68f1d0254745fbb"},{"fixed":"1e06e9860794ce39605b79a0a787abfe084e5677"}],"database_specific":{"extracted_events":[{"range":[{"introduced":"2.4.0"},{"fixed":"2.4.69"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*"}]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-56154.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}