HIGH
The VNC websocket frame decoder in QEMU allows remote attackers to cause a denial of service (memory and CPU consumption) via a large (1) websocket payload or (2) HTTP headers section.
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154656.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155196.html
http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00033.html
http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00042.html
http://rhn.redhat.com/errata/RHSA-2015-1931.html
http://rhn.redhat.com/errata/RHSA-2015-1943.html
http://www.debian.org/security/2015/dsa-3259
http://www.openwall.com/lists/oss-security/2015/03/24/9
http://www.openwall.com/lists/oss-security/2015/04/09/6
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
http://www.securityfocus.com/bid/73303
http://www.securitytracker.com/id/1033975
http://www.ubuntu.com/usn/USN-2608-1
https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04894.html
https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04895.html
https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04896.html
Source: MITRE
Published: 2016-01-12
Updated: 2020-09-09
Type: CWE-400
Base Score: 7.8
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C
Impact Score: 6.9
Exploitability Score: 10
Severity: HIGH
Base Score: 8.6
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Impact Score: 4
Exploitability Score: 3.9
Severity: HIGH