CVE-2010-4344
CRITICAL9.8⚠ KEVEPSS 51.9%exim4 - remote code execution
Published: 12/14/2010Modified: 4/28/2026Added to CISA KEV: 3/25/2022
Description
Heap-based buffer overflow in the string_vformat function in string.c in Exim before 4.70 allows remote attackers to execute arbitrary code via an SMTP session that includes two MAIL commands in conjunction with a large message containing crafted headers, leading to improper rejection logging.
Affected packages (2)
- Debian/exim4from 0, < 4.70-1
- Debian/exim4from 0, < 4.69-9+lenny1
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 |