CVE & CISA-KEV Catalog

CVE-2017-7718

MEDIUM
5.5
CVSS v3
NVD

Description

hw/display/cirrus_vga_rop.h in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (out-of-bounds read and QEMU process crash) via vectors related to copying VGA data via the cirrus_bitblt_rop_fwd_transp_ and cirrus_bitblt_rop_fwd_ functions.

How to fix

Remediation Available
qemuDebian
Fixed in:1:2.8+dfsg-4CVE-2017-7718
Fixed in:1:2.8+dfsg-4CVE-2017-7718
Fixed in:1:2.8+dfsg-4CVE-2017-7718
Fixed in:1:2.8+dfsg-4CVE-2017-7718
qemuUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.34USN-3289-1
Fixed in:1:2.5+dfsg-5ubuntu10.14USN-3289-1
qemu-systemUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.34USN-3289-1
Fixed in:1:2.5+dfsg-5ubuntu10.14USN-3289-1
qemu-system-aarch64Ubuntu
Fixed in:2.0.0+dfsg-2ubuntu1.34USN-3289-1
Fixed in:1:2.5+dfsg-5ubuntu10.14USN-3289-1
qemu-system-armUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.34USN-3289-1
Fixed in:1:2.5+dfsg-5ubuntu10.14USN-3289-1
qemu-system-mipsUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.34USN-3289-1
Fixed in:1:2.5+dfsg-5ubuntu10.14USN-3289-1
qemu-system-miscUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.34USN-3289-1
Fixed in:1:2.5+dfsg-5ubuntu10.14USN-3289-1
qemu-system-ppcUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.34USN-3289-1
Fixed in:1:2.5+dfsg-5ubuntu10.14USN-3289-1
qemu-system-s390xUbuntu
Fixed in:1:2.5+dfsg-5ubuntu10.14USN-3289-1
qemu-system-sparcUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.34USN-3289-1
Fixed in:1:2.5+dfsg-5ubuntu10.14USN-3289-1
qemu-system-x86Ubuntu
Fixed in:2.0.0+dfsg-2ubuntu1.34USN-3289-1
Fixed in:1:2.5+dfsg-5ubuntu10.14USN-3289-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.50%probability of exploitation in 30 days
39thpercentile

Low risk: more likely to be exploited than 39% of all known CVEs.

References

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2014-0160High7.5100%KEVFix
CVE-2025-5777High7.5100%KEV + RansomFix
CVE-2021-4034High7.895%KEVFix
CVE-2023-21769High7.592%-Fix
CVE-2023-49285High8.689%-Fix
CVE-2020-8794Critical9.889%-Fix
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CVE-2017-7718 severity badge

Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.