Security Advisory
CVE-2017-16944
CVE vulnerability detail — eXtreme Datacenter Security Operations
Description
The receive_msg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to cause a denial of service (infinite loop and stack exhaustion) via vectors involving BDAT commands and an improper check for a . character signifying the end of the content, related to the bdat_getc function.