CVE-2019-16928
exim4 - security update
9.8
CRITICAL
CVSS 3.1
⚠ KEVEPSS 90.3%
Description
Exim 4.92 through 4.92.2 allows remote code execution, a different vulnerability than CVE-2019-15846. There is a heap-based buffer overflow in string_vformat in string.c involving a long EHLO command.
How to fix CVE-2019-16928
To remediate CVE-2019-16928, upgrade the affected package to a fixed version below.
- Debian/exim4—upgrade to 4.92.2-3 or later
- —upgrade to 4.92-8+deb10u3 or later
Is CVE-2019-16928 being exploited?
Yes — CVE-2019-16928 is on the CISA Known Exploited Vulnerabilities (KEV) catalog. Patch immediately.
Affected packages (2)
- from 0, < 4.92.2-3
- from 0, < 4.92-8+deb10u3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |