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
Last Updated
2026-06-30
EPSS Score
0.11% (percentile: 1.2%)

Affected Products (1)

Open Source Software

  • azl3 libslirp 4.7.0-1 on Azure Linux 3.0

Revision History

  • 2026-06-27: Information published.
  • 2026-06-30: Information published.