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CVE-2019-15034

20
FAUCET Score

CVE-2019-15034 describes a buffer overflow vulnerability in QEMU version 4.0.0, specifically within the hw/display/bochs-display.c component, due to insufficient PCI config space allocation. Rated 5.8 Medium, this vulnerability requires local access and high attack complexity (AV:L/AC:H), potentially leading to limited confidentiality, integrity, and high availability impacts (C:L/I:L/A:H). 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
4.0.0CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:4.0.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.8MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
HIGH
Exploitability Score
1.0
Impact Score
4.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.37%
Probability of exploitation in next 30 days
EPSS Percentile
29.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0037 is in the 79th percentile among its peer group of 1,297 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 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 0.4 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2019-15034Important

qemu: hw/display/bochs-display.c does not ensure a sufficient PCI config space allocation leading to a buffer overflow involving the PCIe extended config space

Aug 12, 2019

References

lists.opensuse.org / opensuse-security-announce/2020-04/msg00007.html
lists.gnu.org / archive/html/qemu-devel/2019-08/msg01959.html
Mailing ListPatchThird Party Advisory
usn.ubuntu.com / 4372-1
debian.org / security/2020/dsa-4665