🛡️ CVE-2022-37452
🔴 CVSS 9.8 — Critical ⚠️ Exploit Public CWE-787 NVD
9.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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.

Details

Severity CRITICAL
CVSS Score 9.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-787
Public Exploit ⚠️ Yes
Source NVD
Published 2022-08-07
Updated 2026-06-08
Modified 2024-11-21

Affected Packages

Software From version Fixed in
debian-linux — —
exim — 4.95

References

Patch, Release Notes, Third Party Advisory https://github.com/Exim/exim/compare/exim-4.94...exim-4.95
Release Notes, Third Party Advisory https://github.com/Exim/exim/wiki/EximSecurity
Exploit, Patch, Third Party Advisory https://github.com/ivd38/exim_overflow
Patch, Release Notes, Third Party Advisory https://github.com/Exim/exim/compare/exim-4.94...exim-4.95
Release Notes, Third Party Advisory https://github.com/Exim/exim/wiki/EximSecurity
Exploit, Patch, Third Party Advisory https://github.com/ivd38/exim_overflow

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