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Avro/V2

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medium advisory

Avro Map Decoder Vulnerable to Denial-of-Service via Unbounded Memory Allocation

The Avro map decoder accepted attacker-controlled block-element counts, leading to unbounded map growth and potential denial-of-service via memory exhaustion; upgrading to v2.33.0 requires explicit configuration of MaxMapAllocSize to mitigate the vulnerability.

avro +1 denial-of-service memory-exhaustion data-serialization
2r 1t