{"@context":"https://openvex.dev/ns/v0.2.0","@id":"https://database.harborguard.co/cve/CVE-2026-45416/vex.json","author":"HarborGuard Database","role":"Document Creator","timestamp":"2026-06-12T15:07:07.365Z","version":1,"tooling":"HarborGuard Database (https://database.harborguard.co)","statements":[{"vulnerability":{"name":"CVE-2026-45416","@id":"https://www.cve.org/CVERecord?id=CVE-2026-45416","description":"Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, SslClientHelloHandler.decode() reads the 24-bit TLS handshake length and, when the ClientHello does not fit in the first record, eagerly allocates `ctx.alloc().buffer(handshakeLength)` (line 161). The guard at line 140 is `handshakeLength > maxClientHelloLength && maxClientHelloLength != 0`, and the commonly-used SniHandler/AbstractSniHandler constructors (S"},"products":[{"@id":"cpe:2.3:a:netty:netty:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:netty:netty:*:*:*:*:*:*:*:*"}}],"status":"affected","action_statement":"No fixed version is published yet; monitor the upstream advisory.","timestamp":"2026-06-12T15:07:07.365Z"}]}