CVE-2017-10972

MEDIUMEPSS 82th pctl

6.5

CVSS v3

Description

Uninitialized data in endianness conversion in the XEvent handling of the X.Org X Server before 2017-06-19 allowed authenticated malicious users to access potentially privileged data from the X server.

CWE-665

How to fix

Remediation Available

xorg-serverDebian

Fixed in:2:1.19.3-2CVE-2017-10972

xorg-serverUbuntu

Fixed in:2:1.15.1-0ubuntu2.9USN-3362-1

Fixed in:2:1.18.4-0ubuntu0.3USN-3362-1

xorg-server-hwe-16.04Ubuntu

Fixed in:2:1.18.4-1ubuntu6.1~16.04.2USN-3362-1

xorg-server-lts-xenialUbuntu

Fixed in:2:1.18.3-1ubuntu2.3~trusty2USN-3362-1

xserver-xorg-coreUbuntu

Fixed in:2:1.15.1-0ubuntu2.9USN-3362-1

Fixed in:2:1.18.4-0ubuntu0.3USN-3362-1

xserver-xorg-core-hwe-16.04Ubuntu

Fixed in:2:1.18.4-1ubuntu6.1~16.04.2USN-3362-1

xserver-xorg-core-lts-xenialUbuntu

Fixed in:2:1.18.3-1ubuntu2.3~trusty2USN-3362-1

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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 VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

2.30%probability of exploitation in 30 days

82ndpercentile

Elevated risk: more likely to be exploited than 82% of all known CVEs.

References

Patch1

cgit.freedesktop.org

Third-Party Advisory2

Other references1

debian.org

Related Vulnerabilities

Other CWE-665 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-0847	High	7.8	89%	KEV	Fix
CVE-2022-22719	High	7.5	70%	-	Fix
CVE-2020-28019	High	7.5	62%	-	Fix
CVE-2022-46164	Critical	9.4	49%	-	Fix
CVE-2022-37128	Critical	9.8	21%	-	-
CVE-2019-14271	Critical	9.8	19%	-	Fix

Common questions

How do I fix CVE-2017-10972?

Published advisories record a fix for 7 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2017-10972 being actively exploited?

Not that we know of. CVE-2017-10972 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 2.3% is the estimated probability that it will be exploited in the next 30 days. That is higher than 82% of all scored CVEs.

How severe is CVE-2017-10972?

CVE-2017-10972 has a CVSS v3 base score of 6.5, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2017-10972 affect?

Published advisories record a fix for xorg-server (Debian), xorg-server (Ubuntu), xorg-server-hwe-16.04 (Ubuntu), xorg-server-lts-xenial (Ubuntu), and 3 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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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.