{"id":"CVE-2026-57941","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-57941","generatedAt":"2026-10-28T03:28:25.059Z","title":"Use After Free vulnerability in Apache HTTP Server's mod_http2 via shared session->bbtmp re-entrancy This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.","description":"Use After Free vulnerability in Apache HTTP Server's mod_http2 via shared session->bbtmp re-entrancy\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.","published":"2026-10-01T17:17:27.000Z","lastModified":"2026-10-05T13:29:16.000Z","status":"Analyzed","sourceIdentifier":"security@apache.org","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-416"],"affected":["apache/http server"],"epss":{"score":0.00572,"percentile":0.47032,"date":"2026-10-26","history":[{"date":"2026-10-02","score":0.00444,"percentile":0.36353}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.57%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"scored","label":"Newly scored","at":"2026-10-01T21:45:04.000Z","detail":{"from":null,"score":"9.8","severity":"CRITICAL","fromSeverity":null},"summary":"Now scored CVSS 9.8 CRITICAL."},{"kind":"new","label":"New CVE","at":"2026-10-01T17:17:27.000Z","detail":{"score":null,"severity":null,"publishedAt":"2026-10-01T17:17:27.457Z"},"summary":"New CVE, critical severity (CVSS 9.8)."}],"references":[{"url":"https://httpd.apache.org/security/vulnerabilities_24.html","tags":["Vendor Advisory"],"source":"security@apache.org"},{"url":"http://www.openwall.com/lists/oss-security/2026/10/01/19","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-57941","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}