{"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"}}]}}

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