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Heap-based Buffer Overflow Affecting xorg-x11-server-devel package, versions <0:1.17.4-18.56.amzn1

Severity

 Recommended
0.0
high
0
10

Based on Amazon Linux security rating

    Threat Intelligence

    EPSS
    0.04% (11th percentile)

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  • Snyk ID SNYK-AMZN201803-XORGX11SERVERDEVEL-6730086
  • published 30 Apr 2024
  • disclosed 28 Feb 2024
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Introduced: 28 Feb 2024

CVE-2024-21886 Open this link in a new tab
CWE-122 Open this link in a new tab

How to fix?

Upgrade Amazon-Linux:2018.03 xorg-x11-server-devel to version 0:1.17.4-18.56.amzn1 or higher.
This issue was patched in ALAS-2024-1932.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xorg-x11-server-devel package and not the xorg-x11-server-devel package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

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

CVSS Scores

version 3.1
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Red Hat

7.8 high
Expand this section

SUSE

8.4 high