pitrou opened a new issue, #43885: URL: https://github.com/apache/arrow/issues/43885
### Describe the bug, including details regarding any error messages, version, and platform. There is a potential integer overflow in `PoolBuffer::Resize` and `PoolBuffer::Reserve` when rounding up the desired capacity to a multiple of 64. This was found by OSS-Fuzz: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=71200 ### Component(s) C++, Continuous Integration -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@arrow.apache.org.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org