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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| QEMU | Qemu: | 1.7.2 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | qemu | 2.1+dfsg-1 | — |
| Debian 13 | qemu | 2.1+dfsg-1 | — |
| Debian 12 | qemu | 2.1+dfsg-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | qemu | 1:2.5+dfsg-5ubuntu10.11 | USN-3261-1 |
| Ubuntu 14.04 LTS | qemu | 2.0.0+dfsg-2ubuntu1.33 | USN-3261-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | qemu-img +3 | 10:1.5.3-141.el7 | RHSA-2017:1856 |
| RHEL 6 | qemu-img +6 | 2:0.12.1.2-2.503.el6_9.3 | RHSA-2017:1206, RHSA-2017:1205 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat OpenStack 5 | qemu-img-rhev +2 | 2:0.12.1.2-2.503.el6_9.3 | RHSA-2017:1441 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP1 | xen | 4.5.5_10-22.14.1 | SUSE-SU-2017:1147-1 |
| SLES 12 | qemu | 2.0.2-48.34.3 | SUSE-SU-2017:2969-1 |
| SLES 12 | xen | 4.4.4_16-22.36.1 | SUSE-SU-2017:1080-1 |
| SLES 11 SP4 | kvm | 1.4.2-60.6.1 | SUSE-SU-2018:0019-1 |
| SLES 11 SP4 | xen | 4.4.4_16-54.1 | SUSE-SU-2017:1081-1 |
| SLES 11 SP3 | kvm | 1.4.2-53.14.1 | SUSE-SU-2018:0039-1 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP1 | xen | 4.5.5_10-22.14.1 | SUSE-SU-2017:1147-1 |
| SLES for SAP 12 | xen | 4.4.4_16-22.36.1 | SUSE-SU-2017:1080-1 |
| SLES for SAP 11 SP4 | kvm | 1.4.2-60.6.1 | SUSE-SU-2018:0019-1 |
| SLES for SAP 11 SP4 | xen | 4.4.4_16-54.1 | SUSE-SU-2017:1081-1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | kvm | 1.4.2-53.14.1 | SUSE-SU-2018:0039-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | ivshmem-tools +2 | 15:3.0.0-1.el7 | ELSA-2019-4585, ELSA-2018-4285 |
| Oracle Linux 7 | qemu +7 | 12:2.9.0-17.el7 | ELSA-2019-4585, ELSA-2018-4289, ELSA-2018-4285 |
| Oracle Linux 7 | qemu-img +3 | 10:1.5.3-141.el7 | ELSA-2019-4585, ELSA-2018-4289, ELSA-2018-4285 |
Advisories 17
- RHSA-2017:1856 Red Hat Security Advisory: qemu-kvm security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- RHSA-2017:1441 Red Hat Security Advisory: qemu-kvm-rhev security and bug fix update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- RHSA-2017:1205 Red Hat Security Advisory: qemu-kvm-rhev security update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- RHSA-2017:1206 Red Hat Security Advisory: qemu-kvm security update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- USN-3261-1 qemu vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2017:1081-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2969-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:1080-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0019-1 Security update for kvm SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0039-1 Security update for kvm SUSE / openSUSE Security Updates · May 2, 2025
- SUSE-SU-2017:1147-1 Security update for xen SUSE / openSUSE Security Updates · May 2, 2025
- WID-SEC-2024-2027 QEMU: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Sep 2, 2024
- ELSA-2019-4585 Important: qemu security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Mar 15, 2019
- ELSA-2018-4289 Important: qemu security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Nov 28, 2018
- ELSA-2018-4285 Important: qemu security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Nov 20, 2018
- ELSA-2018-4262 Important: qemu security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Oct 29, 2018
- ELSA-2017-1856 Moderate: qemu-kvm security, bug fix, and enhancement update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Aug 7, 2017
References
- [oss-security] 20170223 CVE-2017-2633 Qemu: VNC: memory corruption due to unchecked resolution limit mailing-list
- https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=bea60dd7679364493a0d7f5b54316c767cf894ef
- RHSA-2017:1206 vendor-advisory
- https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=9f64916da20eea67121d544698676295bbb105a7
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2633
- RHSA-2017:1441 vendor-advisory
- 96417 vdb-entry
- RHSA-2017:1856 vendor-advisory
- RHSA-2017:1205 vendor-advisory