CVE-2026-116540

MediumCVSS 5.9/10Last modified Oct 26, 2026

Description

netty-tcnative 2.0.66.Final before 2.0.84.Final built against OpenSSL 3.x contains a use-after-free vulnerability in ssl_tlsext_ticket_key_cb during session ticket key rotation. Remote clients performing TLS handshakes while setSessionTicketKeys0 frees the shared key array cause OpenSSL to read freed HMAC keys, crashing or corrupting ticket processing.

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

Affected software

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

VendorProductVersions
nettynetty-tcnative>= 2.0.66.Final, < 2.0.84.Final

References

Timeline

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

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CVE-2026-116540: Medium severity, CVSS 5.9 | Vulnix