Vulnerability in netty-tcnative

[ Description ]Official description

Netty netty-tcnative before 2.0.84.Final contains a denial of service vulnerability in the tcn_write_to_bytebuffer BIO write callback that overreports bytes consumed. Remote TLS 1.3 peers can provoke queued post-handshake records like NewSessionTicket or KeyUpdate to truncate flights, fail connections, or abort the JVM process.

[ 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/e31df4a5885b35085fdfa3e2dca7c1f705d4745b
• github.com/netty/netty-tcnative/releases/tag/netty-tcnative-parent-2.0.84.Final
• github.com/netty/netty-tcnative/security/advisories/GHSA-9xr3-jwv4-r489
• www.vulncheck.com/advisories/netty-tcnative-before-2.0.84-final-denial-of-service-via-b…