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TI-2017-01883 Aliases CVE-2017-2633GHSA-c46f-47cq-c2fg

Buffer overflow in Qemu:

Priority LOW 34CWE-120Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 10 fixed, 3 without a fix

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-120 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.03075 87th percentileScored 2026-11-07
Fix Partial Red Hat: 4 advisoriesRed Hat: 10 fixed, 3 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
QEMUQemu:1.7.2—No fix listedCNA
  • Qemu: VendorQEMU Affected 1.7.2 Fixed in — No fix listed CNA

CPE configurations NVD · 10

CPEVersionsRoleVendor
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*before 1.7.2VulnerableQEMU
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*7.4VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:*7.4VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*7.5VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
  • cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* Versions before 1.7.2 Vulnerable ·QEMU
  • cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* Versions 7.5 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat

Remediation

Red Hat 4 advisories

  • RHSA-2017:1856 Released 2017-08-01 · Red Hat rating Moderate
    qemu-kvm security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Client (v. 7) qemu-img-10:1.5.3-141.el7, qemu-kvm-10:1.5.3-141.el7, qemu-kvm-common-10:1.5.3-141.el7 +1
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) qemu-img-10:1.5.3-141.el7, qemu-kvm-10:1.5.3-141.el7, qemu-kvm-common-10:1.5.3-141.el7 +1
    • Red Hat Enterprise Linux Server (v. 7) qemu-img-10:1.5.3-141.el7, qemu-kvm-10:1.5.3-141.el7, qemu-kvm-common-10:1.5.3-141.el7 +1
    • Red Hat Enterprise Linux Workstation (v. 7) qemu-img-10:1.5.3-141.el7, qemu-kvm-10:1.5.3-141.el7, qemu-kvm-common-10:1.5.3-141.el7 +1
  • RHSA-2017:1441 Released 2017-06-14 · Red Hat rating Important
    qemu-kvm-rhev security and bug fix update
    • Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6 qemu-img-rhev-2:0.12.1.2-2.503.el6_9.3, qemu-kvm-rhev-2:0.12.1.2-2.503.el6_9.3, qemu-kvm-rhev-tools-2:0.12.1.2-2.503.el6_9.3
  • RHSA-2017:1206 Released 2017-05-09 · Red Hat rating Important
    qemu-kvm security update
    • Red Hat Enterprise Linux Desktop (v. 6) qemu-guest-agent-2:0.12.1.2-2.503.el6_9.3, qemu-img-2:0.12.1.2-2.503.el6_9.3, qemu-kvm-2:0.12.1.2-2.503.el6_9.3 +1
    • Red Hat Enterprise Linux HPC Node (v. 6) qemu-guest-agent-2:0.12.1.2-2.503.el6_9.3, qemu-img-2:0.12.1.2-2.503.el6_9.3, qemu-kvm-2:0.12.1.2-2.503.el6_9.3 +1
    • Red Hat Enterprise Linux Server (v. 6) qemu-guest-agent-2:0.12.1.2-2.503.el6_9.3, qemu-img-2:0.12.1.2-2.503.el6_9.3, qemu-kvm-2:0.12.1.2-2.503.el6_9.3 +1
    • Red Hat Enterprise Linux Workstation (v. 6) qemu-guest-agent-2:0.12.1.2-2.503.el6_9.3, qemu-img-2:0.12.1.2-2.503.el6_9.3, qemu-kvm-2:0.12.1.2-2.503.el6_9.3 +1
Show 1 more Red Hat advisories
  • RHSA-2017:1205 Released 2017-05-09 · Red Hat rating Important
    qemu-kvm-rhev security update
    • RHEV Agents (vdsm) qemu-img-rhev-2:0.12.1.2-2.503.el6_9.3, qemu-kvm-rhev-2:0.12.1.2-2.503.el6_9.3, qemu-kvm-rhev-tools-2:0.12.1.2-2.503.el6_9.3

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix yet
Red Hat Enterprise Linux 6AffectedNo fix yet
Red Hat Enterprise Linux 7AffectedNo fix yet
RHEV Agents (vdsm)Fixed RHSA-2017:1205
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2017:1856
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2017:1856
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2017:1206
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2017:1206
Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6Fixed RHSA-2017:1441
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2017:1206
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2017:1856
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2017:1206
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2017:1856
Not affected: 5 products
  • Red Hat Enterprise Linux OpenStack Platform 6 (Juno)
  • Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)
  • Red Hat OpenStack Platform 10 (Newton)
  • Red Hat OpenStack Platform 8 (Liberty)
  • Red Hat OpenStack Platform 9 (Mitaka)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-2633
  2. 2026-10-03 Alias added: GHSA-c46f-47cq-c2fg

References

Patch 2

Advisory 4

Other 2

  • TI-2024-16148 QEMU before 8.2.0 has an integer underflow, and resultant buffer overflow, via a TI… CVSS 3.1HIGH 8.8
  • TI-2022-02736 Uncontrolled resource consumption in QEMU CVSS 3.1HIGH 7.8
  • TI-2023-02681 Qemu: 9pfs: improper access control on special files CVSS 3.1HIGH 7.1
  • TI-2019-09678 The QMP migrate command in QEMU version 4.0.0 and earlier is vulnerable to OS command… CVSS 3.0CRITICAL 9.8
  • TI-2024-03326 Qemu-kvm: net: assertion failure in update_sctp_checksum() CVSS 3.1MEDIUM 5.5
  • TI-2023-22631 QEMU through 8.0.0 could trigger a division by zero in scsi_disk_reset in… CVSS 3.1MEDIUM 5.5
See all 418 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences