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    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. 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.

    Published:Dec 1, 2016
    Last Modified:Nov 21, 2024
    EPS:Jul 27, 2018
    EPSS Score:0.00558
    CVSS Score:5.4

    Affected Products

    Vendor
    Qemu
    Product
    Qemu
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Linux Desktop
    Vendor
    Redhat
    Product
    Enterprise Linux Server
    Vendor
    Redhat
    Product
    Enterprise Linux Server Aus
    Vendor
    Redhat
    Product
    Enterprise Linux Server Eus
    Vendor
    Redhat
    Product
    Enterprise Linux Workstation
    Vendor
    Redhat
    Product
    Openstack

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-6426 (CVSS 4.4) — A type mismatch vulnerability was found in QEMU's vhost inflight migration VMState handling. The destination b…
    CVE-2026-51082 (CVSS 7.2) — A race condition between the vncproxy and vncwebsocket API calls in Proxmox Virtual Environment (PVE) 9.x pve-…
    CVE-2026-3842 (CVSS 7.8) — A flaw was found in QEMU. This vulnerability allows a local attacker within a guest virtual machine to write d…
    CVE-2026-12080 (CVSS 7.3) — A flaw was found in the QEMU Guest Agent (qga). A local unprivileged user can exploit a vulnerability in the g…
    CVE-2026-3195 (CVSS 7.4) — A flaw was found in QEMU. When reading input audio in the virtio-snd device input callback, the `virtio_snd_pc…
    CVE-2026-3196 (CVSS 5.5) — An integer overflow vulnerability was found in the virtio-snd device via PCM_INFO requests from the guest. A m…
    CVE-2025-54566 (CVSS 4.2) — hw/pci/pcie_sriov.c in QEMU through 10.0.3 has a migration state inconsistency, a related issue to CVE-2024-26…
    CVE-2025-54567 (CVSS 4.2) — hw/pci/pcie_sriov.c in QEMU through 10.0.3 mishandles the VF Enable bit write mask, a related issue to CVE-202…
    CVE-2024-6519 (CVSS 8.2) — A use-after-free vulnerability was found in the QEMU LSI53C895A SCSI Host Bus Adapter emulation. This issue ca…
    CVE-2024-8354 (CVSS 5.5) — A flaw was found in QEMU. An assertion failure was present in the usb_ep_get() function in hw/net/core.c when …

    References

    http://www.openwall.com/lists/oss-security/2017/02/23/1
    http://www.securityfocus.com/bid/96417
    https://access.redhat.com/errata/RHSA-2017:1205
    https://access.redhat.com/errata/RHSA-2017:1206
    https://access.redhat.com/errata/RHSA-2017:1441
    https://access.redhat.com/errata/RHSA-2017:1856
    https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2633
    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/2017/02/23/1
    http://www.securityfocus.com/bid/96417
    https://access.redhat.com/errata/RHSA-2017:1205
    https://access.redhat.com/errata/RHSA-2017:1206
    https://access.redhat.com/errata/RHSA-2017:1441
    https://access.redhat.com/errata/RHSA-2017:1856
    https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2633
    https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=9f64916da20eea67121d544698676295bbb105a7
    https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=bea60dd7679364493a0d7f5b54316c767cf894ef

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High