Security Advisory
CVE-2021-35525
CVE vulnerability detail — eXtreme Datacenter Security Operations
Description
PostSRSd before 1.11 allows a denial of service (subprocess hang) if Postfix sends certain long data fields such as multiple concatenated email addresses. NOTE: the PostSRSd maintainer acknowledges "theoretically, this error should never occur ... Im not sure if theres a reliable way to trigger this condition by an external attacker, but it is a security bug in PostSRSd nevertheless."