{"id":"CVE-2026-101302","title":"TLS 1.3 embeds the actual record type as the last non-zero byte of the decrypted payload, optionally followed by zero padding","summary":"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 invali…","severity":"none","cwe":["CWE-193","CWE-476"],"vendor":"FreeBSD","product":"FreeBSD","affected":["FreeBSD >= 15.1-RELEASE < p4","FreeBSD >= 15.0-RELEASE < p14","FreeBSD >= 14.5-RELEASE < p1","FreeBSD >= 14.4-RELEASE < p10"],"published":"2026-10-15","updated":"2026-10-15","sourceUpdated":"2026-10-15T07:17:57.297","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-101302","references":[{"url":"https://security.freebsd.org/advisories/FreeBSD-SA-26:67.ktls.asc","label":"secteam@freebsd.org"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-15T07:57:27.842Z","slug":"CVE-2026-101302","body":"## Overview\n\nTLS 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).\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}