{"id":"CVE-2026-42528","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-42528","generatedAt":"2026-10-28T03:58:38.534Z","title":"A memory calculation bug in mod_dav in Apache httpd 2.4.67 and earlier allows an attacker with permission to create WebDAV locks to crash server child processes.","description":"A memory calculation bug in mod_dav in Apache httpd 2.4.67 and earlier allows an attacker with permission to create WebDAV locks to crash server child processes.\n\nUsers are recommended to upgrade to version 2.4.69, which fixes this issue","published":"2026-10-01T16:17:44.000Z","lastModified":"2026-10-06T14:07:28.000Z","status":"Analyzed","sourceIdentifier":"security@apache.org","cvss":{"version":"3.1","score":4.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"},"cwe":["CWE-789"],"affected":["apache/http server"],"epss":{"score":0.00401,"percentile":0.34161,"date":"2026-10-27","history":[{"date":"2026-10-02","score":0.0029,"percentile":0.19576}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.40%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"scored","label":"Newly scored","at":"2026-10-01T19:30:08.000Z","detail":{"from":null,"score":"4.3","severity":"MEDIUM","fromSeverity":null},"summary":"Now scored CVSS 4.3 MEDIUM."},{"kind":"new","label":"New CVE","at":"2026-10-01T16:17:44.000Z","detail":{"score":null,"severity":null,"publishedAt":"2026-10-01T16:17:43.927Z"},"summary":"New CVE, medium severity (CVSS 4.3)."}],"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/2026/10/01/12","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-42528","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."}