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CVE-2017-18030

18
FAUCET Score

CVE-2017-18030 describes a denial-of-service vulnerability in QEMU, specifically within the cirrus_invalidate_region function in hw/display/cirrus_vga.c, affecting Debian Linux and QEMU installations. This flaw allows a local, privileged guest OS user to trigger an out-of-bounds array access and crash the QEMU process by manipulating negative pitch values. Rated Medium (CVSS 4.4), the vulnerability requires high privileges and local access, leading to a high impact on availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.8.1.1CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.4MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
0.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.40%
Probability of exploitation in next 30 days
EPSS Percentile
32.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0040 is in the 82nd percentile among its peer group of 3,720 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2017-18030Low

Qemu: Out-of-bounds access in cirrus_invalidate_region routine

Jan 25, 2017

References

git.qemu.org
lists.debian.org / debian-lts-announce/2018/09/msg00007.html
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2018/01/15/3
Mailing ListThird Party Advisory
securityfocus.com / bid/102520
Third Party AdvisoryVDB Entry