CVE-2017-2633
An out-of-bounds memory access issue was found in Quick Emulator (QEMU) before 1.7.2 in the VNC display driver.
Does this matter?
Lower severity and a low EPSS score (3.08%). Track it; it rarely justifies an emergency change on its own.
Description
An out-of-bounds memory access issue was found in Quick Emulator (QEMU) before 1.7.2 in the VNC display driver. This flaw could occur while refreshing the VNC display surface area in the 'vnc_refresh_server_surface'. A user inside a guest could use this flaw to crash the QEMU process.
- CVSS 3.0
- 6.5 MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 3.08% probability · 88th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-120, CWE-125, CWE-787
- Affected
- qemu/qemu · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux server aus · redhat/enterprise linux server eus · redhat/enterprise linux workstation
- Source
- secalert@redhat.com
EPSS 3.1% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.openwall.com/lists/oss-security/2017/02/23/1Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/96417Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:1205Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1206Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1441Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1856Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2633Issue Tracking, Patch, Third Party Advisory
- https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=9f64916da20eea67121d544698676295bbb105a7
- https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=bea60dd7679364493a0d7f5b54316c767cf894ef
- http://www.openwall.com/lists/oss-security/2017/02/23/1Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/96417Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:1205Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1206Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1441Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1856Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2633Issue Tracking, Patch, Third Party Advisory
- https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=9f64916da20eea67121d544698676295bbb105a7
- https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=bea60dd7679364493a0d7f5b54316c767cf894ef
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.