hw/display/bochs-display.c in QEMU 4.0.0 does not ensure a sufficient PCI config space allocation, leading to a buffer overflow involving the PCIe extended config space.
https://www.debian.org/security/2020/dsa-4665
https://usn.ubuntu.com/4372-1/
https://lists.gnu.org/archive/html/qemu-devel/2019-08/msg01959.html
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html
Source: Mitre, NVD
Published: 2020-03-10
Updated: 2020-05-28
Base Score: 4.4
Vector: CVSS2#AV:L/AC:M/Au:N/C:P/I:P/A:P
Severity: Medium
Base Score: 5.8
Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H
EPSS: 0.00051