CVE-2022-37452

9.8 criticalEPSS 3.8%

Critical (9.8). EPSS 3.8% chance of exploitation in the next 30 days.

Exim before 4.95 has a heap-based buffer overflow for the alias list in host_name_lookup in host.c when sender_host_name is set.

Severity

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 3.8% chance of exploitation in the next 30 days; higher than 89% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2022-08-07
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19