Any project that parses untrusted Protocol Buffers data containing an arbitrary number of nested groups / series of SGROUP tags can corrupted by exceeding the stack limit i.e. StackOverflow. Parsing nested groups as unknown fields with DiscardUnknownFieldsParser or Java Protobuf Lite parser, or against Protobuf map fields, creates unbounded recursions that can be abused by an attacker.
This issue has been addressed in the following products: Red Hat build of Apache Camel for Quarkus 2.13 Via RHSA-2024:7972 https://access.redhat.com/errata/RHSA-2024:7972
This issue has been addressed in the following products: Streams for Apache Kafka 2.8.0 Via RHSA-2024:9571 https://access.redhat.com/errata/RHSA-2024:9571
This issue has been addressed in the following products: Red Hat JBoss EAP XP 5.0 Update 2.0 Via RHSA-2025:7620 https://access.redhat.com/errata/RHSA-2025:7620