{"id":"CVE-2026-116540","published":"2026-10-26T16:17:19.377","lastModified":"2026-10-26T17:17:27.187","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.","cvssScore":5.9,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","cwes":["CWE-416"],"vendors":[],"products":[],"references":[{"url":"https://github.com/netty/netty-tcnative","tags":[]},{"url":"https://github.com/netty/netty-tcnative/blob/netty-tcnative-parent-2.0.83.Final/openssl-dynamic/src/main/c/sslcontext.c#L1365","tags":[]},{"url":"https://github.com/netty/netty-tcnative/commit/59662a8b07a9a7623ae1bc472f5751f31c81a118","tags":[]},{"url":"https://github.com/netty/netty-tcnative/releases/tag/netty-tcnative-parent-2.0.84.Final","tags":[]},{"url":"https://github.com/netty/netty-tcnative/security/advisories/GHSA-mmc8-vg2v-fvvw","tags":[]},{"url":"https://www.vulncheck.com/advisories/netty-tcnative-2.0.66-final-before-2.0.84-final-use-after-free-in-session-ticket-callback","tags":[]}],"exploitRefs":[{"url":"https://github.com/netty/netty-tcnative","tags":[]},{"url":"https://github.com/netty/netty-tcnative/blob/netty-tcnative-parent-2.0.83.Final/openssl-dynamic/src/main/c/sslcontext.c#L1365","tags":[]},{"url":"https://github.com/netty/netty-tcnative/commit/59662a8b07a9a7623ae1bc472f5751f31c81a118","tags":[]},{"url":"https://github.com/netty/netty-tcnative/releases/tag/netty-tcnative-parent-2.0.84.Final","tags":[]},{"url":"https://github.com/netty/netty-tcnative/security/advisories/GHSA-mmc8-vg2v-fvvw","tags":[]}],"hasPoc":true,"ai":null}