CVE-2010-4344

Vulnerability details

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.

Added to CISA KEV: 2022-03-25

Ransomware campaign use: Unknown

CISA due date: 2022-04-15

Defensive guidance from CISA

Apply updates per vendor instructions.

This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.