Incorrect Calculation Affecting io.netty:netty-tcnative-boringssl-static package, versions [,2.0.84.Final)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.49% (43rd percentile)

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  • Snyk IDSNYK-JAVA-IONETTY-21755446
  • published27 Oct 2026
  • disclosed26 Oct 2026
  • creditAugust829

Introduced: 26 Oct 2026

NewCVE-2026-116541  (opens in a new tab)
CWE-682  (opens in a new tab)

How to fix?

Upgrade io.netty:netty-tcnative-boringssl-static to version 2.0.84.Final or higher.

Overview

Affected versions of this package are vulnerable to Incorrect Calculation via the tcn_write_to_bytebuffer callback in the BIO write process. An attacker can cause queued post-handshake records to truncate flights, fail connections, or abort the JVM process by sending specially crafted TLS 1.3 messages.

CVSS Base Scores

version 4.0
version 3.1