CVE-2015-1779

HIGH

QEMU < 2.2.1 - Denial of Service via VNC WebSocket Frame Decoder

Title source: llm
STIX 2.1

Description

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.

References (17)

Core 17
Core References
Mailing List, Patch, Third Party Advisory mailing-list x_refsource_mlist
https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04896.html
Third Party Advisory vendor-advisory x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155196.html
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2015/dsa-3259
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2015/04/09/6
Third Party Advisory vendor-advisory x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154656.html
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04894.html
Third Party Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2015-1931.html
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2015/03/24/9
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1033975
Third Party Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2015-1943.html
Third Party Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2608-1
Mailing List, Patch, Third Party Advisory mailing-list x_refsource_mlist
https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04895.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/73303
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201602-01

Scores

CVSS v3 8.6
EPSS 0.0557
EPSS Percentile 90.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Details

CWE
CWE-400
Status published
Products (28)
canonical/ubuntu_linux 12.04
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 14.10
canonical/ubuntu_linux 15.04
debian/debian_linux 7.0
debian/debian_linux 8.0
fedoraproject/fedora 21
fedoraproject/fedora 22
oracle/linux 7
qemu/qemu 2.3.0 rc0 (2 CPE variants)
... and 18 more
Published Jan 12, 2016
Tracked Since Feb 18, 2026