{"id":"CVE-2026-101302","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-101302","generatedAt":"2026-10-28T01:45:27.759Z","title":"A remote TLS 1.3 peer can send a specially crafted record to trigger a kernel panic, resulting in a Denial of Service (DoS).","description":"TLS 1.3 embeds the actual record type as the last non-zero byte of the decrypted payload, optionally followed by zero padding.  The code which searches for the inner record type had an off-by-one bug which could be triggered by an invalid frame, leading to an underflow followed by an unconditional NULL pointer dereference, causing a kernel panic.\n\nA remote TLS 1.3 peer can send a specially crafted record to trigger a kernel panic, resulting in a Denial of Service (DoS).","published":"2026-10-15T07:17:57.000Z","lastModified":"2026-10-20T00:16:13.000Z","status":"Analyzed","sourceIdentifier":"secteam@freebsd.org","cvss":{"version":"3.1","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-193","CWE-476"],"affected":["freebsd/freebsd"],"epss":{"score":0.0024,"percentile":0.14954,"date":"2026-10-26","history":[{"date":"2026-10-15","score":0.0019,"percentile":0.08101}]},"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 (0.24%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"scored","label":"Newly scored","at":"2026-10-15T16:15:11.000Z","detail":{"from":null,"score":"6.5","severity":"MEDIUM","fromSeverity":null},"summary":"Now scored CVSS 6.5 MEDIUM."},{"kind":"new","label":"New CVE","at":"2026-10-15T07:17:57.000Z","detail":{"score":null,"severity":null,"publishedAt":"2026-10-15T07:17:57.297Z"},"summary":"New CVE, medium severity (CVSS 6.5)."}],"references":[{"url":"https://security.freebsd.org/advisories/FreeBSD-SA-26:67.ktls.asc","tags":["Mitigation","Patch","Vendor Advisory"],"source":"secteam@freebsd.org"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-101302","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."}