How many CVEs does x have?

x has 55 published CVE records since 2008, including 3 in the last two years.

How many x CVEs are in CISA KEV?

None of x's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.

Which x products have the most CVEs?

The x products with the most published CVEs are libxfont, x11, libx11, libxcursor, x.org x11.

What are the most common weakness types in x CVEs?

x's CVEs most often map to these CWE weakness types: CWE-122 (Heap-based Buffer Overflow).

Are there public exploits for x vulnerabilities?

No x CVEs currently have a tracked public exploit in this dataset.

How many critical x vulnerabilities are there?

x has 9 critical and 10 high-severity CVEs.

What is the average severity of x CVEs?

The average CVSS base score across x's scored CVEs is 7.1.

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55 CVEs

x Vulnerabilities

Name: x vulnerability dataset (CVEs)
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

CVE security advisories and vulnerability history for x.

55

Total CVEs

Published

0

In CISA KEV

Exploited in the wild

0

Public exploits

PoC or exploit code

7.1

Avg CVSS

2008–2026

Overview

x has 55 published CVE records since 2008, of which 0 are in CISA's Known Exploited Vulnerabilities catalog and 0 have a known public exploit. The average CVSS base score across scored CVEs is 7.1.

This page aggregates every publicly disclosed vulnerability (CVE) affecting x products, with severity breakdowns, the most-affected products, the most common weakness types, and the latest disclosures.

Security scorecard

A quick read on x's vulnerability posture, as a share of its 55 published CVEs.

Average CVSS

7.1

across 55 scored CVEs

Critical / high

35%

19 of 55 scored

Actively exploited (KEV)

0%

0 of 55 CVEs

Public exploit available

0%

0 of 55 CVEs

Patch available

98%

54 of 55 CVEs

Severity and exploitation

How the CVSS severity of x's CVEs breaks down, plus how many are exploited in the wild or have public exploit code.

Critical9

High10

Medium33

Low3

In CISA’s Known Exploited Vulnerabilities catalog

0

None of x's CVEs are currently listed in CISA's KEV catalog.

Public exploits

0

No x CVEs currently have a tracked public exploit.

Most affected products

The x products with the most published CVEs. Follow any product to browse its versions and vulnerabilities.

Common weakness types

The CWE weakness categories most often found in x CVEs. Follow any weakness for its full explanation.

CWE-122Heap-based Buffer Overflow3 CVEs

CNAs that assign these CVEs

The CVE Numbering Authorities that publish x CVE records.

Disclosure activity by year

How many x CVEs were published each year.

2012

2

2013

29

2014

6

2015

3

2016

1

2017

3

2018

1

2026

3

Latest x CVEs

The most recently disclosed vulnerabilities affecting x.

libXfont2 computeProps Property Buffer Heap Buffer Overflow
CWE-122
High · CVSS 8.8
EPSS 0.4%2026-07-08
libXfont2 PCF Font Parsing Heap Buffer Overflow
CWE-122
High · CVSS 8.8
EPSS 0.4%2026-07-08
libXfont2 BitmapScaleBitmaps Integer Overflow Heap Buffer Overflow
CWE-122
High · CVSS 8.8
EPSS 0.4%2026-07-08
Critical vulnerability · 2018-08-01
Critical · CVSS 9.8
EPSS 5.9%2018-08-01
Medium vulnerability · 2017-12-01
Medium · CVSS 5.5
EPSS 0.4%2017-12-01
High vulnerability · 2017-12-01
High · CVSS 7.5
EPSS 5.2%2017-12-01
Critical vulnerability · 2017-08-18
Critical · CVSS 9.8
EPSS 2.2%2017-08-18
Critical vulnerability · 2016-12-13
Critical · CVSS 9.8
EPSS 2.4%2016-12-13
High vulnerability · 2015-03-20
High · CVSS 8.5
EPSS 4.9%2015-03-20
High vulnerability · 2015-03-20
High · CVSS 8.5
EPSS 5.0%2015-03-20
High vulnerability · 2015-03-20
High · CVSS 8.5
EPSS 4.9%2015-03-20
Medium vulnerability · 2014-07-24
Medium · CVSS 4.6
EPSS 1.0%2014-07-24

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Other vendors

Browse vulnerabilities for other tracked vendors.

microsoft25,696 CVEs linux21,056 CVEs Google15,680 CVEs Apple14,957 CVEs Oracle11,815 CVEs Debian10,221 CVEs IBM8,381 CVEs Red Hat7,837 CVEs

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Frequently asked questions

Common questions about x vulnerabilities.

How many CVEs does x have?: x has 55 published CVE records since 2008, including 3 in the last two years.
How many x CVEs are in CISA KEV?: None of x's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.
Which x products have the most CVEs?: The x products with the most published CVEs are libxfont, x11, libx11, libxcursor, x.org x11.
What are the most common weakness types in x CVEs?: x's CVEs most often map to these CWE weakness types: CWE-122 (Heap-based Buffer Overflow).
Are there public exploits for x vulnerabilities?: No x CVEs currently have a tracked public exploit in this dataset.
How many critical x vulnerabilities are there?: x has 9 critical and 10 high-severity CVEs.
What is the average severity of x CVEs?: The average CVSS base score across x's scored CVEs is 7.1.

References

Vulnerability data is sourced from the CVE Program; severity, KEV, and exploit signals are aggregated by RadicalNotion.AI.

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