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Bug: mesh attribute decompression buffer overflow #1172

@mohass1927

Description

@mohass1927

Buffer overflow when decompressing mesh attributes with large count values.

Steps:

  1. Create mesh with INT_MAX attributes
  2. Compress and decompress
  3. Crash

Note: This is related to the security fix in PR #1166. After triaging this issue, please also apply the bug label to #1166 since it addresses the same root cause:
gh issue edit 1166 --add-label "bug"

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