CVE-2010-4344
exim4 - remote code execution
9.8
CRITICAL
CVSS 3.1
⚠ KEVEPSS 51.9%
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.
How to fix CVE-2010-4344
To remediate CVE-2010-4344, upgrade the affected package to a fixed version below.
- —upgrade to 4.70-1 or later
- —upgrade to 4.69-9+lenny1 or later
Is CVE-2010-4344 being exploited?
Yes — CVE-2010-4344 is on the CISA Known Exploited Vulnerabilities (KEV) catalog. Patch immediately.
Affected packages (2)
- from 0, < 4.70-1
- from 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 |