VULNERABILITY INTELLIGENCE

CVE-2017-16943

CVSS score9.8 CRITICAL
EPSS probability47.15%
CISA KEVNot currently listed
Published2017-11-25
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

The receive_msg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via vectors involving BDAT commands.

Weakness classification

  • CWE-416: Use After Free

Primary references