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CVE-2017-10971

25
FAUCET Score

CVE-2017-10971 describes a stack overflow vulnerability in the X.Org X server, affecting versions prior to 2017-06-19. An authenticated user could exploit this flaw during endianness conversion of X Events, leading to a crash or arbitrary code execution within the X Server's context. With a CVSS score of 8.8 (High), this vulnerability presents a significant risk due to its network-based attack vector, low complexity, and high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, nor are there publicly available exploit modules or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.19.3CPE matchmatch criteria
cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.88%
Probability of exploitation in next 30 days
EPSS Percentile
89.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0388 is in the 88th percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 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 Patches (3)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: xorg-x11-server
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: xorg-x11-server
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: xorg-x11-server

Vendor Advisories (1)

redhatCVE-2017-10971Moderate

xorg-x11-server: Stack overflow in the endianness conversion of X Events

Jun 19, 2017

References

bugzilla.suse.com / show_bug.cgi
Issue TrackingThird Party Advisory
cgit.freedesktop.org / xorg/xserver/commit
Mailing ListThird Party Advisory
cgit.freedesktop.org / xorg/xserver/commit
Mailing ListThird Party Advisory
cgit.freedesktop.org / xorg/xserver/commit
Mailing ListThird Party Advisory
debian.org / security/2017/dsa-3905
securityfocus.com / bid/99546
Third Party AdvisoryVDB Entry