• Tenable
  • CVEs
  • Settings
    Links
    Tenable Cloud Tenable Community & Support Tenable University
    Severity
    Theme
  • Tenable
  • Plugins
  • Overview
  • Plugins Pipeline
  • Newest
  • Updated
  • Search
  • Nessus Families
  • WAS Families
  • NNM Families
  • LCE Families
  • Tenable OT Security Families
  • About Plugin Families
  • Release Notes
  • Audits
  • Overview
  • Newest
  • Updated
  • Search Audit Files
  • Search Items
  • References
  • Authorities
  • Documentation
  • Download All Audit Files
  • Indicators
  • Overview
  • Search
  • Indicators of Attack
  • Indicators of Exposure
  • CVEs
  • Overview
  • Newest
  • Updated
  • Search
  • Attack Path Techniques
  • Overview
  • Search
    • Links
    • Tenable Cloud
    • Tenable Community & Support
    • Tenable University
    • Settings
    • Severity
    • Theme
Detections
  • Plugins
  • Overview
  • Plugins Pipeline
  • Release Notes
  • Newest
  • Updated
  • Search
  • Nessus Families
  • WAS Families
  • NNM Families
  • LCE Families
  • Tenable OT Security Families
  • About Plugin Families
  • Audits
  • Overview
  • Newest
  • Updated
  • Search Audit Files
  • Search Items
  • References
  • Authorities
  • Documentation
  • Download All Audit Files
  • Indicators
  • Overview
  • Search
  • Indicators of Attack
  • Indicators of Exposure
Analytics
  • CVEs
  • Overview
  • Newest
  • Updated
  • Search
  • Attack Path Techniques
  • Overview
  • Search
  1. CVEs
  2. CVE-2024-21886
  1. CVEs

CVE-2024-21886

high
  • Information
  • CPEs
  • Plugins

Description

A heap buffer overflow flaw was found in the DisableDevice function in the X.Org server. This issue may lead to an application crash or, in some circumstances, remote code execution in SSH X11 forwarding environments.

References

  • Advisories
  • More

https://access.redhat.com/errata/RHSA-2024:2996

https://access.redhat.com/errata/RHSA-2024:2995

https://access.redhat.com/errata/RHSA-2024:2170

https://access.redhat.com/errata/RHSA-2024:2169

https://access.redhat.com/errata/RHSA-2024:0629

https://access.redhat.com/errata/RHSA-2024:0626

https://access.redhat.com/errata/RHSA-2024:0621

https://access.redhat.com/errata/RHSA-2024:0617

https://access.redhat.com/errata/RHSA-2024:0614

https://access.redhat.com/errata/RHSA-2024:0607

https://access.redhat.com/errata/RHSA-2024:0597

https://access.redhat.com/errata/RHSA-2024:0558

https://access.redhat.com/errata/RHSA-2024:0557

https://access.redhat.com/errata/RHSA-2024:0320

https://bugzilla.redhat.com/show_bug.cgi?id=2256542

https://access.redhat.com/security/cve/CVE-2024-21886

Details

Source: Mitre, NVD

Published: 2024-02-28

Updated: 2024-05-22

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 7.8

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

Severity: High

EPSS

EPSS: 0.00618

  • Tenable.com
  • Community & Support
  • Documentation
  • Education
  • © 2025 Tenable®, Inc. All Rights Reserved
  • Privacy Policy
  • Legal
  • 508 Compliance