{"id":"CVE-2026-73064","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-73064","generatedAt":"2026-10-28T01:47:17.480Z","title":"In Mbed TLS 3.2.0 though 3.6.6 and 4.0.0 through 4.1.0, an attacker who can cause an entropy source to fail can remove or inject bytes into the start of the TLS stream.","description":"In Mbed TLS 3.2.0 though 3.6.6 and 4.0.0 through 4.1.0, an attacker who can cause an entropy source to fail can remove or inject bytes into the start of the TLS stream. This only affects TLS 1.3 servers.","published":"2026-09-24T15:17:34.000Z","lastModified":"2026-09-24T21:04:40.000Z","status":"Awaiting Analysis","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":2.9,"severity":"LOW","vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N"},"cwe":["CWE-394"],"affected":[],"epss":{"score":0.00103,"percentile":0.00945,"date":"2026-10-26","history":[{"date":"2026-09-25","score":0.00102,"percentile":0.00883}]},"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 (0.10%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-09-24T15:17:34.000Z","detail":{"score":"2.9","severity":"LOW","publishedAt":"2026-09-24T15:17:34.273Z"},"summary":"New CVE, low severity (CVSS 2.9)."}],"references":[{"url":"https://github.com/Mbed-TLS/mbedtls","source":"cve@mitre.org"},{"url":"https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2026-07-random-generator-fault-tls-integrity/","source":"cve@mitre.org"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-73064","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."}