CVE-2017-2620
Quick emulator (QEMU) before 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on host with privileges of the QEMU process.
Key facts
- CVSS score
- 5.5 (v3.0)
- Severity
- MEDIUM
- CVSS vector
CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L- Weakness (CWE)
- CWE-787
- EPSS score
- 3.6% (89th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2017-11781)
- Published
- July 27, 2018
- NVD last modified
- June 17, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2017-11781 in the EU Vulnerability Database. Last updated in EUVD on August 5, 2024.
View on the EU Vulnerability DatabaseAffected products
- citrix / xenserver
- citrix / xenserver
- citrix / xenserver
- citrix / xenserver
- citrix / xenserver
- debian / debian linux
- qemu / qemu
- redhat / enterprise linux desktop
- redhat / enterprise linux desktop
- redhat / enterprise linux server
- redhat / enterprise linux server
- redhat / enterprise linux server aus
- redhat / enterprise linux server aus
- redhat / enterprise linux server eus
- redhat / enterprise linux server eus
- redhat / enterprise linux server eus
- redhat / enterprise linux workstation
- redhat / enterprise linux workstation
- redhat / openstack
- redhat / openstack
- redhat / openstack
- redhat / openstack
- redhat / openstack
- redhat / openstack
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
Certified products that may be affected
1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.
- Citrix XenServer ® 7.1 LTSR Enterprise Edition (CU2) - Citrix Systems, Inc. - Common Criteria 383-4-467 - archived
References
- http://rhn.redhat.com/errata/RHSA-2017-0328.html(Third Party Advisory)
- http://rhn.redhat.com/errata/RHSA-2017-0329.html(Third Party Advisory)
- http://rhn.redhat.com/errata/RHSA-2017-0330.html(Third Party Advisory)
- http://rhn.redhat.com/errata/RHSA-2017-0331.html(Third Party Advisory)
- http://rhn.redhat.com/errata/RHSA-2017-0332.html(Third Party Advisory)
- http://rhn.redhat.com/errata/RHSA-2017-0333.html(Third Party Advisory)
- http://rhn.redhat.com/errata/RHSA-2017-0334.html(Third Party Advisory)
- http://rhn.redhat.com/errata/RHSA-2017-0350.html(Third Party Advisory)
- http://rhn.redhat.com/errata/RHSA-2017-0351.html(Third Party Advisory)
- http://rhn.redhat.com/errata/RHSA-2017-0352.html(Third Party Advisory)
- http://rhn.redhat.com/errata/RHSA-2017-0396.html(Third Party Advisory)
- http://rhn.redhat.com/errata/RHSA-2017-0454.html(Third Party Advisory)
- http://www.openwall.com/lists/oss-security/2017/02/21/1(Mailing List, Third Party Advisory)
- http://www.securityfocus.com/bid/96378(Third Party Advisory, VDB Entry)
- http://www.securitytracker.com/id/1037870(Third Party Advisory, VDB Entry)
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2620(Issue Tracking, Third Party Advisory)
- https://lists.debian.org/debian-lts-announce/2018/02/msg00005.html(Third Party Advisory)
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
- https://lists.gnu.org/archive/html/qemu-devel/2017-02/msg04700.html(Patch, Third Party Advisory)
- https://security.gentoo.org/glsa/201703-07(Third Party Advisory)
- https://security.gentoo.org/glsa/201704-01(Third Party Advisory)
- https://support.citrix.com/article/CTX220771(Third Party Advisory)
- https://xenbits.xen.org/xsa/advisory-209.html(Third Party Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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