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Vulnerability record · CVE-2018-20815 · published 31 May 2019

CVE-2018-20815: Qemu memory buffer overflow vulnerability

Qemu · Qemu

In QEMU 3.1.0, load_device_tree in device_tree.c calls the deprecated load_image function, which has a buffer overflow risk.

9.8 CVSS 3.0 Critical EPSS 4.4% · top 9.0% CWE-119 · Memory buffer overflow
9.8CVSS 3.0 base score, v2 7.5
4.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
24References
17 Jun 2026Last modified by NVD

Description

In QEMU 3.1.0, load_device_tree in device_tree.c calls the deprecated load_image function, which has a buffer overflow risk.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://access.redhat.com/errata/RHSA-2019:1667
https://access.redhat.com/errata/RHSA-2019:1723
https://access.redhat.com/errata/RHSA-2019:1743
https://access.redhat.com/errata/RHSA-2019:1881
https://access.redhat.com/errata/RHSA-2019:1968
https://access.redhat.com/errata/RHSA-2019:2507
https://access.redhat.com/errata/RHSA-2019:2553
https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=da885fe1ee8b4589047484bd7fa05a4905b52b17
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BOE3PVFPMWMXV3DGP2R3XIH
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RVDHJB2QKXNDU7OFXIHIL5O
https://seclists.org/bugtraq/2019/Aug/41
https://www.debian.org/security/2019/dsa-4506
https://access.redhat.com/errata/RHSA-2019:1667
https://access.redhat.com/errata/RHSA-2019:1723
https://access.redhat.com/errata/RHSA-2019:1743
https://access.redhat.com/errata/RHSA-2019:1881
https://access.redhat.com/errata/RHSA-2019:1968
https://access.redhat.com/errata/RHSA-2019:2507
https://access.redhat.com/errata/RHSA-2019:2553
https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=da885fe1ee8b4589047484bd7fa05a4905b52b17
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BOE3PVFPMWMXV3DGP2R3XIH
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RVDHJB2QKXNDU7OFXIHIL5O
https://seclists.org/bugtraq/2019/Aug/41
https://www.debian.org/security/2019/dsa-4506

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Source: NIST National Vulnerability Database (record CVE-2018-20815), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.