How severe is CVE-2017-10972?

CVE-2017-10972 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2017-10972 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-10972?

CVE-2017-10972 affects X.org X Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-10972?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-10972 published?

CVE-2017-10972 was published on 2017-07-06 and last updated on 2026-06-17.

CVE-2017-10972

CVE-2017-10972 is a medium-severity vulnerability in X.org X Server with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-665.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-665
Affected product: X.org X Server
Published: 2017-07-06
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2017-10972?: 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.
How severe is CVE-2017-10972?: CVE-2017-10972 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2017-10972 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-10972?: CVE-2017-10972 affects X.org X Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-10972?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-10972 published?: CVE-2017-10972 was published on 2017-07-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:*

More vulnerabilities in X.org X Server

CVE-2023-6816 — Critical (CVSS 9.8): A flaw was found in X.Org server. Both DeviceFocusEvent and the XIQueryPointer reply contain a bit for each logical…
CVE-2017-12187 — Critical (CVSS 9.8): xorg-x11-server before 1.19.5 was missing length validation in RENDER extension allowing malicious X client to cause X…
CVE-2017-12186 — Critical (CVSS 9.8): xorg-x11-server before 1.19.5 was missing length validation in X-Resource extension allowing malicious X client to…
CVE-2017-12185 — Critical (CVSS 9.8): xorg-x11-server before 1.19.5 was missing length validation in MIT-SCREEN-SAVER extension allowing malicious X client…
CVE-2017-12184 — Critical (CVSS 9.8): xorg-x11-server before 1.19.5 was missing length validation in XINERAMA extension allowing malicious X client to cause…
CVE-2017-12183 — Critical (CVSS 9.8): xorg-x11-server before 1.19.5 was missing length validation in XFIXES extension allowing malicious X client to cause X…

All CVEs affecting X.org X Server →

Other CWE-665 (Improper Initialization) vulnerabilities

CVE-2024-38558 — Critical (CVSS 10.0): In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix overwriting ct original…
CVE-2026-64775 — Critical (CVSS 9.8): A memory initialization issue was addressed with improved memory handling. This issue is fixed in iOS 26.6 and iPadOS…
CVE-2024-46697 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: nfsd: ensure that nfsd4_fattr_args.context is…
CVE-2021-33635 — Critical (CVSS 9.8): When malicious images are pulled by isula pull, attackers can execute arbitrary code.
CVE-2022-37128 — Critical (CVSS 9.8): In D-Link DIR-816 A2_v1.10CNB04.img the network can be initialized without authentication via /goform/wizard_end.
CVE-2021-41264 — Critical (CVSS 9.8): OpenZeppelin Contracts is a library for smart contract development. In affected versions upgradeable contracts using…

Browse all CWE-665 (Improper Initialization) vulnerabilities →