Race condition in ZEO/StorageServer.py in Zope Object Database (ZODB) before 3.10.0 allows remote attackers to cause a denial of service (daemon outage) by establishing and then immediately closing a TCP connection, leading to the accept function having an unexpected return value of None, an unexpected value of None for the address, or an ECONNABORTED, EAGAIN, or EWOULDBLOCK error, a related issue to CVE-2010-3492.

Unspecified vulnerability in Zope Object Database (ZODB) before 3.8.2, when certain Zope Enterprise Objects (ZEO) database sharing is enabled, allows remote attackers to execute arbitrary Python code via vectors involving the ZEO network protocol.