Qemu has a Buffer Overflow in rtl8139_do_receive in hw/net/rtl8139.c because an incorrect integer data type is used.
http://www.openwall.com/lists/oss-security/2018/10/08/1
http://www.securityfocus.com/bid/105556
https://access.redhat.com/errata/RHSA-2019:2425
https://access.redhat.com/errata/RHSA-2019:2553
https://lists.debian.org/debian-lts-announce/2019/01/msg00023.html
https://lists.gnu.org/archive/html/qemu-devel/2018-09/msg03269.html
https://seclists.org/bugtraq/2019/May/76
Source: MITRE
Published: 2018-10-09
Updated: 2020-09-10
Type: CWE-190
Base Score: 5
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 10
Severity: MEDIUM
Base Score: 7.5
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 3.9
Severity: HIGH