Withdrawn by the publisher.

Affected: CleanStart: apache-hive

Multiple security vulnerabilities affect the apache-hive package. Netty is an asynchronous, event-driven network application framework. See references for individual vulnerability details.

Netty is an asynchronous, event-driven network application framework. Prior to 4.1.137.Final and 4.2.17.Final, io.netty.handler.codec.sctp.SctpMessageCompletionHandler limits incomplete messages and fragment counts but not maxBufferedBytes, allowing unauthenticated peers to exhaust memory with large SCTP fragments. This issue is fixed in versions 4.1.137.Final and 4.2.17.Final.

Affected: Maven: io.netty:netty-transport-sctp

### Summary SctpMessageCompletionHandler does not limit the total size of buffered fragments, allowing an unauthenticated attacker to cause an OutOfMemoryError by sending large SCTP fragments.

### Details `io.netty.handler.codec.sctp.SctpMessageCompletionHandler` buffers fragments for incomplete SCTP messages. The fix for CVE-2026-46340 fixed unbounded memory growth by introducing limits on the number of concurrent incomplete messages (maxIncompleteSctpMessages) and the number of fragments per message (maxFragments).

While the count of fragments is now bounded, the handler still does not enforce a maximum size in bytes.

With the default limits of 128 messages and 128 fragments, and a typical max SCTP chunk size of 64KB, an attacker can consume up to ~1GB per connection. By opening a small number of concurrent connections, an attacker can easily exhaust the server's memory, causing an OutOfMemoryError.

### Impact Memory Exhaustion. Any application using Netty's SCTP transport with SctpMessageCompletionHandler is impacted.

netty-4.1.138-1.1 on GA media

jetty-security: Eclipse Jetty: Authentication bypass via Digest authentication encoding collision jetty: Eclipse Jetty: Information disclosure due to retained HTTP/1.1 trailers across connections org.bouncycastle/bc-java: org.bouncycastle/bc-lts-java: Bouncy Castle for Java: Cryptographic signature bypass in RSA PKCS#1 verification vertx-core: Eclipse Vert.x: Information disclosure via improper handling of HTTP 30x redirects camel-jms: camel-sjms: camel-amqp: camel-mina: camel-netty: camel-netty-http: camel-vertx-http: camel-infinispan: camel-leveldb: camel-cassandraql: camel-consul: camel-sql: Apache Camel: Information disclosure via deserialization of untrusted data camel-aws2-sqs: Apache Camel: Camel-AWS2-SQS: Inbound message attributes are mapped into the Exchange without an inbound HeaderFilterStrategy, allowing a message sender to inject Camel control headers camel-nats: Apache Camel: Camel-NATS: Inbound NATS message headers are mapped into the Exchange without a configured HeaderFilterStrategy, allowing a client that can publish to the subject to inject Camel control headers camel-solr: Apache Camel: Camel-Solr: The SolrParam. and SolrField. Exchange header prefixes used non-Camel-prefixed names that bypass the HTTP header filter, allowing an HTTP client to inject Solr query parameters (server-side request forgery) and document fields org.apache.sshd/sshd-core: Apache MINA SSHD: Unauthorized command execution due to improper certificate validation org.apache.cxf/cxf:…

Affected: Ubuntu:Pro:14.04:LTS: netty, Ubuntu:Pro:16.04:LTS: netty, Ubuntu:Pro:18.04:LTS: netty, Ubuntu:Pro:20.04:LTS: netty, Ubuntu:Pro:22.04:LTS: netty, Ubuntu:Pro:24.04:LTS: netty, Ubuntu:Pro:26.04:LTS: netty

Netty is an asynchronous, event-driven network application framework. Prior to 4.1.137.Final and 4.2.17.Final, io.netty.handler.codec.sctp.SctpMessageCompletionHandler limits incomplete messages and fragment counts but not maxBufferedBytes, allowing unauthenticated peers to exhaust memory with large SCTP fragments. This issue is fixed in versions 4.1.137.Final and 4.2.17.Final.

Ein Angreifer kann mehrere Schwachstellen in Netty ausnutzen, um Sicherheitsvorkehrungen zu umgehen, um einen Denial of Service Angriff durchzuführen, und um Informationen offenzulegen.