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CVE-2026-116540EUVD-2026-109910

netty-tcnative 2.0.66.Final before 2.0.84.Final Use-After-Free in Session Ticket Callback

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 2.0.84.Final
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

netty-tcnative, a library that provides OpenSSL-based TLS support for the Netty networking framework, is affected when built against OpenSSL 3.x. A remote attacker performing TLS handshakes during session ticket key rotation could cause the server to crash or corrupt session ticket processing.

Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.

Read the original 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.

Timeline

  1. CVE published
  2. First seen by cve.now
  3. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  4. Record last updated

Affected versions

  • io.netty:netty-tcnative

    From 2.0.66.Final · fixed in 2.0.84.Final

References 6

GitHub · netty/netty-tcnative

vulncheck.com