{"id":"CVE-2026-73637","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-73637","generatedAt":"2026-10-28T01:51:09.256Z","title":"Use after free in mod_auth_digest in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows an unauthenticated remote client to cause authentication state corruption via concurrent Digest authentication requests when…","description":"Use after free in mod_auth_digest in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows an unauthenticated remote client to cause authentication state corruption via concurrent Digest authentication requests when AuthDigestNcCheck is enabled or AuthDigestNonceLifetime is set to 0.\n\nUsers are recommended to upgrade to version 2.4.69, which fixes this issue.","published":"2026-10-01T17:17:31.000Z","lastModified":"2026-10-05T17:39:38.000Z","status":"Analyzed","sourceIdentifier":"security@apache.org","cvss":{"version":"3.1","score":7.3,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"},"cwe":["CWE-416"],"affected":["apache/http server"],"epss":{"score":0.00466,"percentile":0.40099,"date":"2026-10-26","history":[{"date":"2026-10-02","score":0.00264,"percentile":0.16602}]},"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 (0.47%). 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":"7.3","severity":"HIGH","fromSeverity":null},"summary":"Now scored CVSS 7.3 HIGH."},{"kind":"new","label":"New CVE","at":"2026-10-01T17:17:31.000Z","detail":{"score":null,"severity":null,"publishedAt":"2026-10-01T17:17:31.000Z"},"summary":"New CVE, high severity (CVSS 7.3)."}],"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/2026/10/01/28","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-73637","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."}