CVE-2025-43857: net-imap rubygem vulnerable to possible DoS by memory exhaustion

Overview

Severity

Medium (CVSS 6.5)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2025-Apr

Released

2025-11-25

Last Updated

2025-12-02

EPSS Score

0.53% (percentile: 67.2%)

Affected Products (2)

Other

• 20392-17086
• 20631-17084

Revision History

• 2025-11-25: Information published.
• 2025-12-02: Information published.