Uncontrolled Resource Consumption
A parsing issue similar to CVE-2022-3171, but with Message-Type Extensions in protobuf-java core and lite versions through 3.16.2, 3.17.0-rc-1 through 3.19.5, 3.20.0-rc-1 through 3.20.2, 3.21.0-rc-1 through 3.21.6, and 4.0.0-rc-1 through 4.0.0-rc-2 can lead to a Denial-of-Service (DoS) attack. Inputs containing multiple instances of non-repeated embedded messages with repeated or unknown fields causes objects to be converted back-n-forth between mutable and immutable forms, resulting in potentially long garbage collection pauses. We recommend updating to the versions mentioned above.
CWE-400 - Uncontrolled resource consumption
An uncontrolled resource allocation attack (also known as resource exhaustion attack) triggers unauthorized overconsumption of the limited resources in an application, such as memory, file system storage, database connection pool entries, and CPU. This may lead to denial of service for valid users and degradation of the application's functionality as well as that of the host operating system.