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AVRO-4296: [python] Bound allocation when decoding length-prefixed values and collections #3861

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Merged
RyanSkraba merged 1 commit into from
Aug 6, 2026
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AVRO-4296: [python] Bound allocation when decoding length-prefixed values and collections #3861

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9 changes: 9 additions & 0 deletions lang/py/avro/errors.py
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,15 @@ class InvalidAvroBinaryEncoding(AvroException):
"""For invalid numbers of bytes read."""


class AvroCollectionSizeException(AvroException):
"""Raised when a decoded array or map would exceed a collection size limit.

This covers both the zero-byte-element cap (the cumulative number of
zero-byte elements such as ``null``) and the structural cap on the total
number of elements in any collection.
"""


class SchemaParseException(AvroException):
"""Raised when a schema failed to parse."""

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