CVE-2015-1779

8.6 HIGH
Published: January 12, 2016 Modified: May 06, 2026
View on NVD

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-1931.html
Source: secalert@redhat.com
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-1943.html
Source: secalert@redhat.com
Third Party Advisory
http://www.debian.org/security/2015/dsa-3259
Source: secalert@redhat.com
Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/03/24/9
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/04/09/6
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://www.securityfocus.com/bid/73303
Source: secalert@redhat.com
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1033975
Source: secalert@redhat.com
Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2608-1
Source: secalert@redhat.com
Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04894.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04895.html
Source: secalert@redhat.com
Mailing List Patch Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04896.html
Source: secalert@redhat.com
Mailing List Patch Third Party Advisory
https://security.gentoo.org/glsa/201602-01
Source: secalert@redhat.com
Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154656.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155196.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00033.html
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00042.html
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
http://rhn.redhat.com/errata/RHSA-2015-1931.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-1943.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.debian.org/security/2015/dsa-3259
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/03/24/9
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/04/09/6
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.securityfocus.com/bid/73303
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1033975
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2608-1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04894.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04895.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Patch Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04896.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Patch Third Party Advisory
https://security.gentoo.org/glsa/201602-01
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

34 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.6 / 10.0
EPSS (Exploit Probability)
5.6%
90th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

canonical debian qemu fedoraproject redhat oracle