Multiple code execution vulnerabilities exist in the IFFOutput::close() functionality of OpenImageIO Project OpenImageIO v220.127.116.11. A specially crafted ImageOutput Object can lead to a heap buffer overflow. An attacker can provide malicious input to trigger these vulnerabilities.This vulnerability arises when the `xmax` variable is set to 0xFFFF and `m_spec.format` is `TypeDesc::UINT8`
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