CVE-2017-16943
CRITICAL9.8EPSS 74.5%exim4 - security update
Published: 11/25/2017Modified: 4/28/2026
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.
Affected packages (2)
- Debian/exim4from 0, < 4.89-12
- Debian/exim4from 0, < 4.89-2+deb9u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |