CVE-2026-18727: Open-iscsi: open-iscsi: integer underflow in iscsiuio dhcpv6 parsing

Overview

Severity

Medium (CVSS 6.5)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Aug

Released

2026-08-23

Last Updated

2026-09-13

EPSS Score

0.19% (percentile: 7.7%)

Affected Products (1)

Other

• 21749-17084

Security Updates (1)

• Security Update

Revision History

• 2026-08-23: Information published.
• 2026-09-13: Information published.