CVE-2026-116541

MediumCVSS 5.9/10Last modified Oct 26, 2026

Description

Netty netty-tcnative before 2.0.84.Final contains a denial of service vulnerability in the tcn_write_to_bytebuffer BIO write callback that overreports bytes consumed. Remote TLS 1.3 peers can provoke queued post-handshake records like NewSessionTicket or KeyUpdate to truncate flights, fail connections, or abort the JVM process.

Metrics

CVSS 3.1 5.9/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-682

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
netty	netty-tcnative	< 2.0.84.Final
netty	netty-tcnative-boringssl-static	< 2.0.84.Final

References

Timeline

Published: Oct 26, 2026
Last modified: Oct 26, 2026
NVD status: Awaiting Analysis

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