CVEvulnerability

CVE-2026-9539

6.5 MEDIUM Published 2026-06-24 Modified 2026-10-25 Official page ↗
Status
Awaiting Analysis
Published
2026-06-24
Last modified
2026-10-25
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Weaknesses
CWE-125

Description

An out-of-bounds heap read and integer underflow in the TCP urgent data handling (sosendoob) in freedesktop.org libslirp version before v4.9.2 on hypervisor host environments (e.g., QEMU) allows a privileged guest VM attacker (root or CAP_NET_RAW) to leak gigabytes of sensitive host-process heap memory via sending crafted TCP segments with manipulated URG flags and urgent pointers (ti_urp).

Related

Weakness · CWE (1)

  • CWE-125 Out-of-bounds Read weakness

References