CVE-2020-29130

QEMU: slirp: out-of-bounds access while processing ARP/NCSI packets

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Severity

Low

Red Hat Product Security

2.5

CVSS 3.1

Review impact separately from score.

Published · November 26, 2020

Updated · June 28, 2026

Description

An out-of-bounds access issue was found in the SLiRP user networking implementation of QEMU. It could occur while processing ARP/NCSI packets, if the packet length was shorter than required to accommodate respective protocol headers and payload. A privileged guest user may use this flaw to potentially leak host information bytes.

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 3.1 · 2.5
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:N

CWE-125 · Out-of-bounds Read