{"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"}}]}}

{"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": [{"title": "CISA ADP Vulnrichment", "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": {"id": "CVE-2026-101302", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-15T13:54:51.888489Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-15T13:54:47.947Z"}}]}}

{"affected": [{"affectedData": [{"defaultStatus": "unknown", "modules": ["ktls"], "product": "FreeBSD", "vendor": "FreeBSD", "versions": [{"lessThan": "p4", "status": "affected", "version": "15.1-RELEASE", "versionType": "release"}, {"lessThan": "p14", "status": "affected", "version": "15.0-RELEASE", "versionType": "release"}, {"lessThan": "p1", "status": "affected", "version": "14.5-RELEASE", "versionType": "release"}, {"lessThan": "p10", "status": "affected", "version": "14.4-RELEASE", "versionType": "release"}]}], "source": "secteam@freebsd.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:freebsd:freebsd:14.4:-:*:*:*:*:*:*", "matchCriteriaId": "8F3856BE-666F-4FA1-A6AD-FE179CEBF1E4", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:14.4:p1:*:*:*:*:*:*", "matchCriteriaId": "D9CC0037-3282-42C3-80D8-F6C1D43B9332", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:14.4:p2:*:*:*:*:*:*", "matchCriteriaId": "1EADA828-3C20-43C0-A0CA-3AC7D7F23DBD", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:14.4:p3:*:*:*:*:*:*", "matchCriteriaId": "53D73FD2-4B06-47D3-BA2A-4363E9DE3565", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:14.4:p4:*:*:*:*:*:*", "matchCriteriaId": "D726890B-E679-43A9-A211-D5C05BBE3941", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:14.4:p5:*:*:*:*:*:*", "matchCriteriaId": "CBE94635-5277-4050-8098-F062091F6596", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:14.4:p6:*:*:*:*:*:*", "matchCriteriaId": "A66308E4-DA6E-48DB-86E5-A503EE110EAD", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:14.4:p7:*:*:*:*:*:*", "matchCriteriaId": "59EF67B4-E572-483B-BC9E-B2D3D8DF19CE", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:14.4:p8:*:*:*:*:*:*", "matchCriteriaId": "B47E6FB0-4176-449D-9955-09A236E9F5BC", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:14.4:p9:*:*:*:*:*:*", "matchCriteriaId": "5E8C9CFB-32F9-4BCB-A030-84F9261BA357", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:14.5:-:*:*:*:*:*:*", "matchCriteriaId": "1A6A046C-21F7-468C-A106-A3358FD20F8D", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:15.0:-:*:*:*:*:*:*", "matchCriteriaId": "368CFE5D-C5C2-42AF-AAF4-28DFE1A59C3B", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:15.0:p1:*:*:*:*:*:*", "matchCriteriaId": "AA4AAA57-70A7-4717-ACF2-A253E757FF2C", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:15.0:p10:*:*:*:*:*:*", "matchCriteriaId": "683CEB32-A634-4363-86FB-2BDC59724E3E", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:15.0:p11:*:*:*:*:*:*", "matchCriteriaId": "9EC8EE3F-9992-4A0F-A0CD-3B44BA086BD2", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:15.0:p12:*:*:*:*:*:*", "matchCriteriaId": "CC1797AB-83A6-4379-865F-8AD495EACEEC", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:15.0:p13:*:*:*:*:*:*", "matchCriteriaId": "5AA78C5B-D4CC-4E03-B42F-0F1DCABACE91", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:15.0:p2:*:*:*:*:*:*", "matchCriteriaId": "E24ABFA6-4D12-4DE5-832B-438502C7D188", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:15.0:p3:*:*:*:*:*:*", "matchCriteriaId": "C1C9869C-494B-4628-9AA3-4AA5B989C377", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:15.0:p4:*:*:*:*:*:*", "matchCriteriaId": "002AA2FE-C7BA-471A-9434-0E56A878ACBF", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:15.0:p5:*:*:*:*:*:*", "matchCriteriaId": "B187670D-E3A2-4A0D-A653-982F8B447E78", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:15.0:p6:*:*:*:*:*:*", "matchCriteriaId": "047E7EE9-FB51-4CF2-A8BE-484BFD819565", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:15.0:p7:*:*:*:*:*:*", "matchCriteriaId": "2C9768AE-9954-4B2A-9525-D7D4942406E7", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:15.0:p8:*:*:*:*:*:*", "matchCriteriaId": "F8B9EF55-3755-452A-B067-043803099B22", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:15.0:p9:*:*:*:*:*:*", "matchCriteriaId": "EE3C4F40-A117-4B37-8CDD-096A1A763630", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:15.1:-:*:*:*:*:*:*", "matchCriteriaId": "BD327D43-A2DC-49B5-A578-D2116E1E12F3", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:15.1:p1:*:*:*:*:*:*", "matchCriteriaId": "E379873C-DA04-4EAA-ABF6-EB87B4B471A8", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:15.1:p2:*:*:*:*:*:*", "matchCriteriaId": "044A3D39-A2AF-499C-8434-0A07B5854661", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:15.1:p3:*:*:*:*:*:*", "matchCriteriaId": "C75C73C4-ED12-44D9-85EF-A0388D9ECFA2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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)."}], "id": "CVE-2026-101302", "lastModified": "2026-10-20T00:16:13.267", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-101302", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-15T13:54:51.888489Z", "version": "2.0.3"}}]}, "published": "2026-10-15T07:17:57.297", "references": [{"source": "secteam@freebsd.org", "tags": ["Mitigation", "Patch", "Vendor Advisory"], "url": "https://security.freebsd.org/advisories/FreeBSD-SA-26:67.ktls.asc"}], "sourceIdentifier": "secteam@freebsd.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-193"}, {"lang": "en", "value": "CWE-476"}], "source": "secteam@freebsd.org", "type": "Secondary"}]}

{}