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.

A remote TLS 1.3 peer can send a specially crafted record to trigger a kernel panic, resulting in a Denial of Service (DoS).
Published: 2026-10-15
Score: n/a
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
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Remediation

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History

Thu, 15 Oct 2026 07:00:00 +0000

Type Values Removed Values Added
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. A remote TLS 1.3 peer can send a specially crafted record to trigger a kernel panic, resulting in a Denial of Service (DoS).
Title Remote DoS via receive-side kernel TLS
Weaknesses CWE-193
CWE-476
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: freebsd

Published:

Updated: 2026-10-15T13:55:00.760Z

Reserved: 2026-09-28T13:33:02.323Z

Link: CVE-2026-101302

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-15T07:17:57.297

Modified: 2026-10-15T07:17:57.297

Link: CVE-2026-101302

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses