CVE-2019-20382

CVE Details

Release Date:	2020-03-05
Impact:	None	What is this?

Description

QEMU 4.1.0 has a memory leak in zrle_compress_data in ui/vnc-enc-zrle.c during a VNC disconnect operation because libz is misused, resulting in a situation where memory allocated in deflateInit2 is not freed in deflateEnd.

See more information about CVE-2019-20382 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	3.5
Vector String:	CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Version:	3.0
Attack Vector:	Adjacent_Network
Attack Complexity:	Low
Privileges Required:	Low
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Low

Errata information

Platform	Errata	Release Date
Oracle Linux version 7 (qemu-kvm)	ELSA-2020-3906	2020-10-06
Oracle Linux version 8 (hivex)	ELSA-2020-2774	2020-07-06
Oracle Linux version 8 (libguestfs)	ELSA-2020-2774	2020-07-06
Oracle Linux version 8 (libguestfs-winsupport)	ELSA-2020-2774	2020-07-06
Oracle Linux version 8 (libiscsi)	ELSA-2020-2774	2020-07-06
Oracle Linux version 8 (libvirt)	ELSA-2020-2774	2020-07-06
Oracle Linux version 8 (libvirt-dbus)	ELSA-2020-2774	2020-07-06
Oracle Linux version 8 (libvirt-python)	ELSA-2020-2774	2020-07-06
Oracle Linux version 8 (nbdkit)	ELSA-2020-2774	2020-07-06
Oracle Linux version 8 (netcf)	ELSA-2020-2774	2020-07-06
Oracle Linux version 8 (perl-Sys-Virt)	ELSA-2020-2774	2020-07-06
Oracle Linux version 8 (qemu-kvm)	ELSA-2020-2774	2020-07-06
Oracle Linux version 8 (seabios)	ELSA-2020-2774	2020-07-06
Oracle Linux version 8 (sgabios)	ELSA-2020-2774	2020-07-06
Oracle Linux version 8 (supermin)	ELSA-2020-2774	2020-07-06