CVE-2026-101302

MediumCVSS 6.5/10Last modified Oct 20, 2026

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).

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-193 CWE-476

Affected software

No affected versions have been published.

Timeline

Published: Oct 15, 2026
Last modified: Oct 20, 2026
NVD status: Analyzed

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