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.
Recommended action
Apply updates per vendor instructions.
CISA remediation due date for U.S. federal agencies: 15 Apr 2022.
Collected automatically from public sources. Verify affected versions and fixes in the vendor's notice before acting.