Exim Heap-Based Buffer Overflow Vulnerability

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.

cat cve-2010-4344.json

Vendor: Exim
Product: Exim
CVSS: 9.8
EPSS (exploit probability): 71.9%
Status: kev
CISA patch-by (BOD 22-01): April 15, 2022
Published: March 25, 2022
Source: https://nvd.nist.gov/vuln/detail/CVE-2010-4344

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’s Known Exploited Vulnerabilities catalog on 2022-03-25. Required action per CISA: Apply updates per vendor instructions. Due date: 2022-04-15.

This is an auto-synced KEV catalog record pending a full 0dayNews write-up — see CISA’s KEV catalog and the NVD record linked above for primary sources.