Related Vulnerabilities: CVE-2020-7039  

A heap buffer overflow issue was found in the SLiRP networking implementation of the QEMU emulator. This flaw occurs in the tcp_emu() routine while emulating IRC and other protocols. An attacker could use this flaw to crash the QEMU process on the host, resulting in a denial of service or potential execution of arbitrary code with privileges of the QEMU process.

Severity High

Remote No

Type Arbitrary code execution

Description

A heap buffer overflow issue was found in the SLiRP networking implementation of the QEMU emulator. This flaw occurs in the tcp_emu() routine while emulating IRC and other protocols. An attacker could use this flaw to crash the QEMU process on the host, resulting in a denial of service or potential execution of arbitrary code with privileges of the QEMU process.

AVG-1110 qemu 4.2.0-2 5.0.0-1 High Fixed

https://www.openwall.com/lists/oss-security/2020/01/16/2