Upstream information

CVE-2025-67896 at MITRE

Description

Exim before 4.99.1, with certain non-default rate-limit configurations, allows a remote heap-based buffer overflow because database records are cast directly to internal structures without validation.

SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having critical severity.

CVSS v3 Scores
CVSS detail CNA (MITRE) National Vulnerability Database
Base Score 7 9.8
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:L CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network Network
Attack Complexity High Low
Privileges Required None None
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact Low High
Integrity Impact High High
Availability Impact Low High
CVSSv3 Version 3.1 3.1
SUSE Bugzilla entry: 1254999 [NEW]

No SUSE Security Announcements cross referenced.

SUSE Timeline for this CVE

CVE page created: Sun Dec 14 06:02:21 2025
CVE page last modified: Tue Dec 23 12:32:20 2025