{"@context":"https://openvex.dev/ns/v0.2.0","@id":"https://database.harborguard.co/cve/CVE-2026-46340/vex.json","author":"HarborGuard Database","role":"Document Creator","timestamp":"2026-06-12T16:31:09.511Z","version":1,"tooling":"HarborGuard Database (https://database.harborguard.co)","statements":[{"vulnerability":{"name":"CVE-2026-46340","@id":"https://www.cve.org/CVERecord?id=CVE-2026-46340","description":"Netty is a network application framework for development of protocol servers and clients. In versions of netty-transport-sctp prior to 4.1.135.Final and 4.2.15.Final, for each non-complete SctpMessage fragment the handler does `fragments.put(streamId, Unpooled.wrappedBuffer(frag, byteBuf))`, wrapping the previous accumulator and the new slice into a *new* CompositeByteBuf every time. After N fragments the accumulator is an N-deep chain of composites, each holding references and component arrays;"},"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":"2026-06-12T16:31:09.511Z"}]}