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
02 Description
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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 3.55% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 88.8% of scored records. A rank, not a probability.
- NVD base score
- 9.9 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Important. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2018-07-27 19:00Z8 YR AGO
- Last updated
- 2024-08-05 14:02Z2 YR AGO
- Reserved
- 2016-12-01
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.5)
- CNA CVSS vector
- CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L
- Weaknesses
- Data version
- 5.1
- Document digest
- 7a1bdff9e822d0eec67fee9c616b2402e857c352c2f5245671154280c495b5b5
05 Affected products
06 References
- rhn.redhat.comRHSA-2017:0329http://rhn.redhat.com/errata/RHSA-2017-0329.html
- rhn.redhat.comRHSA-2017:0334http://rhn.redhat.com/errata/RHSA-2017-0334.html
- www.securitytracker.com1037870http://www.securitytracker.com/id/1037870
- rhn.redhat.comRHSA-2017:0328http://rhn.redhat.com/errata/RHSA-2017-0328.html
- lists.debian.org[debian-lts-announce] 20180906 [SECURITY] [DLA 1497-1] qemu security updatehttps://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
- rhn.redhat.comRHSA-2017:0333http://rhn.redhat.com/errata/RHSA-2017-0333.html
- rhn.redhat.comRHSA-2017:0351http://rhn.redhat.com/errata/RHSA-2017-0351.html
- rhn.redhat.comRHSA-2017:0454http://rhn.redhat.com/errata/RHSA-2017-0454.html
- xenbits.xen.orghttps://xenbits.xen.org/xsa/advisory-209.html
- rhn.redhat.comRHSA-2017:0331http://rhn.redhat.com/errata/RHSA-2017-0331.html
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2620
- www.openwall.com[oss-security] 20170221 CVE-2017-2620 Qemu: display: cirrus: out-of-bounds access issue while in cirrus_bitblt_cputovideohttp://www.openwall.com/lists/oss-security/2017/02/21/1
- rhn.redhat.comRHSA-2017:0350http://rhn.redhat.com/errata/RHSA-2017-0350.html
- lists.debian.org[debian-lts-announce] 20180206 [SECURITY] [DLA 1270-1] xen security updatehttps://lists.debian.org/debian-lts-announce/2018/02/msg00005.html
- rhn.redhat.comRHSA-2017:0396http://rhn.redhat.com/errata/RHSA-2017-0396.html
- security.gentoo.orgGLSA-201704-01https://security.gentoo.org/glsa/201704-01
- lists.gnu.org[qemu-devel] 20170221 [PATCH] cirrus: add blit_is_unsafe call to cirrus_bitblt_cputovideo (CVE-2017-2620)https://lists.gnu.org/archive/html/qemu-devel/2017-02/msg04700.html
- rhn.redhat.comRHSA-2017:0352http://rhn.redhat.com/errata/RHSA-2017-0352.html
- rhn.redhat.comRHSA-2017:0330http://rhn.redhat.com/errata/RHSA-2017-0330.html
- rhn.redhat.comRHSA-2017:0332http://rhn.redhat.com/errata/RHSA-2017-0332.html
- www.securityfocus.com96378http://www.securityfocus.com/bid/96378
- support.citrix.comhttps://support.citrix.com/article/CTX220771
- security.gentoo.orgGLSA-201703-07https://security.gentoo.org/glsa/201703-07
07 Fixed in
Debian 12
- qemu Fixed in 1:2.8+dfsg-3
- xen Fixed in 4.4.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- qemu Fixed in 1:2.8+dfsg-3
- xen Fixed in 4.4.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- qemu Fixed in 1:2.8+dfsg-3
- xen Fixed in 4.4.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- qemu Fixed in 2.0.0+dfsg-2ubuntu1.33
- xen Fixed in 4.4.2-0ubuntu0.14.04.11
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- qemu Fixed in 1:2.5+dfsg-5ubuntu10.11
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.