CVE-2026-9539: libslirp TCP URG OOB Read Information Leak

Overview

Severity

Medium (CVSS 6.5)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Jun

Released

2026-06-27

EPSS Score

0.11% (percentile: 1.3%)

Affected Products (1)

Other

• 21469-17084

Revision History

• 2026-06-27: Information published.