[ CVE-2026-116540 · Published 26 Oct 2026 ]
Vulnerability in netty-tcnative
CVSS 5.9
EPSS <1%No fix listed yet
[ Description ]Official 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.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ References ]References
- github.com/netty/netty-tcnative
- github.com/netty/netty-tcnative/blob/netty-tcnative-parent-2.0.83.Final/openssl-dynamic…
- github.com/netty/netty-tcnative/commit/59662a8b07a9a7623ae1bc472f5751f31c81a118
- github.com/netty/netty-tcnative/releases/tag/netty-tcnative-parent-2.0.84.Final
- github.com/netty/netty-tcnative/security/advisories/GHSA-mmc8-vg2v-fvvw
- www.vulncheck.com/advisories/netty-tcnative-2.0.66-final-before-2.0.84-final-use-after-…