CVE Database›CVE-2018-11806

CVE-2018-11806

QEMU: slirp: heap buffer overflow while reassembling fragmented datagrams

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Severity

Important

Red Hat Product Security

5.1

CVSS 3.0

Review impact separately from score.

Published · June 5, 2018

Updated · June 28, 2026

Description

A heap buffer overflow issue was found in the way SLiRP networking back-end in QEMU processes fragmented packets. It could occur while reassembling the fragmented datagrams of an incoming packet. A privileged user/process inside guest could use this flaw to crash the QEMU process resulting in DoS or potentially leverage it to execute arbitrary code on the host with privileges of the QEMU process.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 5.1
CVSS:3.0/AV:A/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L

CWE-122 · Heap-based Buffer Overflow