Description
The RabbitMQ Java client library allows Java and JVM-based applications to connect to and interact with RabbitMQ nodes. Prior to 5.33.1, src/main/java/com/rabbitmq/client/impl/ValueReader.java permits ValueReader.readTable and ValueReader.readArray to call ValueReader.readFieldValue recursively for AMQP table type F and AMQP array type A values without a nesting-depth limit. A malicious AMQP server or network intermediary can send approximately 580 nested table levels in the pre-authentication connection.start frame, fitting within the default 131072-byte frame maximum, to trigger StackOverflowError. The error terminates the client input processing thread and causes denial of service. This issue is fixed in version 5.33.1.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| rabbitmq | rabbitmq-java-client | < 5.33.1 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 13 | rabbitmq-java-client | No fix yet | — |
| Debian 12 | rabbitmq-java-client | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | rabbitmq-java-client | No fix yet | — |
| Ubuntu 26.04 LTS | rabbitmq-java-client | No fix yet | — |
| Ubuntu 24.04 LTS | rabbitmq-java-client | No fix yet | — |
| Ubuntu 22.04 LTS | rabbitmq-java-client | No fix yet | — |
| Ubuntu 20.04 LTS | rabbitmq-java-client | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | rabbitmq-java-client | No fix yet | — |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | cassandra-reaper | 5.0.0-r9 | — |
| Wolfi rolling | druid | 37.0.0-r54 | — |
| Wolfi rolling | logstash-9.3 +1 | No fix yet | — |
| Wolfi rolling | logstash-9.4 +1 | 9.4.5-r3 | — |
| Wolfi rolling | thingsboard-tb-node +1 | 4.3.1.3-r23 | — |
| Wolfi rolling | zipkin | 3.6.1-r22 | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Maven | com.rabbitmq:amqp-client | < 5.33.1 | 5.33.1 | GHSA-93j5-89vc-pph4 |
Advisories 1
- WID-SEC-2026-2921 RabbitMQ Java Client: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 18, 2026
References
- https://github.com/rabbitmq/rabbitmq-java-client/security/advisories/GHSA-93j5-89vc-pph4
- https://github.com/rabbitmq/rabbitmq-java-client/pull/2007
- https://github.com/rabbitmq/rabbitmq-java-client/pull/2008
- https://github.com/rabbitmq/rabbitmq-java-client/commit/09af76fce136f3136931654a0a1d43095c80e2f0
- https://github.com/rabbitmq/rabbitmq-java-client/commit/db89e34809fbc6ba4e946615f297f3684ccd0acc
- https://github.com/rabbitmq/rabbitmq-java-client/releases/tag/v5.33.1