{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-101302","assignerOrgId":"63664ac6-956c-4cba-a5d0-f46076e16109","state":"PUBLISHED","assignerShortName":"freebsd","dateReserved":"2026-09-28T13:33:02.323Z","datePublished":"2026-10-15T06:53:12.242Z","dateUpdated":"2026-10-15T13:55:00.760Z"},"containers":{"cna":{"datePublic":"2026-09-29T20:30:00.000Z","title":"Remote DoS via receive-side kernel TLS","references":[{"tags":["vendor-advisory"],"url":"https://security.freebsd.org/advisories/FreeBSD-SA-26:67.ktls.asc"}],"affected":[{"defaultStatus":"unknown","modules":["ktls"],"product":"FreeBSD","vendor":"FreeBSD","versions":[{"status":"affected","versionType":"release","version":"15.1-RELEASE","lessThan":"p4"},{"status":"affected","versionType":"release","version":"15.0-RELEASE","lessThan":"p14"},{"status":"affected","versionType":"release","version":"14.5-RELEASE","lessThan":"p1"},{"status":"affected","versionType":"release","version":"14.4-RELEASE","lessThan":"p10"}]}],"credits":[{"lang":"en","type":"finder","value":"Mark Johnston"}],"descriptions":[{"lang":"en","value":"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)."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-193","description":"CWE-193: Off-by-one Error","lang":"en","type":"CWE"},{"cweId":"CWE-476","description":"CWE-476: NULL Pointer Dereference","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"63664ac6-956c-4cba-a5d0-f46076e16109","shortName":"freebsd","dateUpdated":"2026-10-15T06:53:12.242Z"},"x_generator":{"engine":"cvelib 1.8.0"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.5,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-10-15T13:54:51.888489Z","id":"CVE-2026-101302","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-15T13:55:00.760Z"}}]}}