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CVE PROGRAM SOURCE RECORD8.2 High

CVE-2026-116541

netty-tcnative before 2.0.84.Final Denial of Service via BIO Write Overcount

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

netty netty-tcnative

Default version status: unaffected

  • 0 to < 2.0.84.Finalaffected
pkg:maven/io.netty/netty-tcnative

netty netty-tcnative-boringssl-static

Default version status: unaffected

  • 0 to < 2.0.84.Finalaffected
pkg:maven/io.netty/netty-tcnative-boringssl-static

References