cve.bz

CVE-2017-16944

7.5 highEPSS 63%

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.

Severity

CVSS 3.0

7.5 high
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
63% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)
CWE
CWE-835
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON