CVE-2026-116540: fallo de gravedad alta en netty-tcnative
netty-tcnative 2.0.66.Final before 2.0.84.Final Use-After-Free in Session Ticket Callback
Publicada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
21Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 8.2epss 0.5%
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.
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Productos afectados
netty · netty-tcnativeCVEs relacionadas — netty-tcnative
En el mismo producto, de las más peligrosas a las menos.
CVE-2026-116541HIGHnetty-tcnative before 2.0.84.Final Denial of Service via BIO Write OvercountEPSS 0.5%CVE-2026-116539HIGHNetty netty-tcnative before 2.0.84.Final Heap Buffer Overflow via OpenSSL BIOEPSS 0.4%CVE-2026-116542MEDIUMNetty netty-tcnative before 2.0.84.Final SNI Hostname Spoofing via Modified UTF-8 DecodingEPSS 0.2%
Referencias
https://github.com/netty/netty-tcnativehttps://github.com/netty/netty-tcnative/blob/netty-tcnative-parent-2.0.83.Final/openssl-dynamic/src/main/c/sslcontext.c#L1365https://github.com/netty/netty-tcnative/commit/59662a8b07a9a7623ae1bc472f5751f31c81a118https://github.com/netty/netty-tcnative/releases/tag/netty-tcnative-parent-2.0.84.Finalhttps://github.com/netty/netty-tcnative/security/advisories/GHSA-mmc8-vg2v-fvvwhttps://www.vulncheck.com/advisories/netty-tcnative-2.0.66-final-before-2.0.84-final-use-after-free-in-session-ticket-callback