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CVE WatchOct 15, 2026

CVE-2026-101302

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 whi

CVSS

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No CVSS

EPSS

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KEV

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Exploit Today

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0-100

Published: Oct 15, 2026 · Last modified: Oct 15, 2026 · CWE-193 · CWE-476

EPSS · 30d

Not enough EPSS history yet.

Technical 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).

Official references
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