Quick Emulator (Qemu) built with the USB redirector usb-guest support is vulnerable to a memory leakage flaw. It could occur while destroying the USB redirector in 'usbredir_handle_destroy'. A guest user/process could use this issue to leak host memory, resulting in DoS for a host.
http://www.securityfocus.com/bid/94759
http://www.openwall.com/lists/oss-security/2016/12/08/3
https://security.gentoo.org/glsa/201701-49
https://access.redhat.com/errata/RHSA-2017:2408
https://access.redhat.com/errata/RHSA-2017:2392
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
Source: MITRE
Published: 2016-12-23
Updated: 2023-02-12
Type: CWE-772
Base Score: 4.9
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C
Impact Score: 6.9
Exploitability Score: 3.9
Severity: MEDIUM
Base Score: 6.5
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Impact Score: 4
Exploitability Score: 2
Severity: MEDIUM