CVE-2026-18917: Libvirt: integer overflow in nodegetfreepages rpc handler leading to heap buffer overflow

Overview

Severity

Medium (CVSS 6.6)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Aug

Released

2026-08-25

Last Updated

2026-09-13

EPSS Score

0.18% (percentile: 7.1%)

Affected Products (2)

Other

• 21695-17084
• 21815-17084

Security Updates (1)

• Security Update

Revision History

• 2026-08-25: Information published.
• 2026-09-09: Information published.
• 2026-09-13: Information published.