Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the mapDecoder.Decode and mapDecoderUnmarshaler.Decode methods in codecmap.go, which use the attacker-controlled map block element count both to pre-size the destination map and as...

GO-2026-5048 Denial of service via unbounded map allocations in github.com/iskorotkov/avro/v2 and github.com/hamba/avro/v2

The Avro map decoder accepts attacker-controlled block-element counts from the wire format and grows the destination map without enforcing an upper bound. A producer can declare an arbitrarily large map in one block, or chunked across many sub-limit blocks and exhaust process memory until the OOM...

PT-2026-65348

The Avro map decoder accepts attacker-controlled block-element counts from the wire format and grows the destination map without enforcing an upper bound. A producer can declare an arbitrarily large map in one block, or chunked across many sub-limit blocks and exhaust process memory until the OOM...