<p>Upgrade <code>Alpine:3.20</code> <code>xorg-server</code> to version 21.1.2-r0 or higher.</p>

Out-of-Bounds Affecting xorg-server package, versions <21.1.2-r0

Threat Intelligence

0.05% (19^th percentile)

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Snyk ID SNYK-ALPINE320-XORGSERVER-7015464
published 23 May 2024
disclosed 17 Dec 2021

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Introduced: 17 Dec 2021

CVE-2021-4009 Open this link in a new tab CWE-119 Open this link in a new tab

How to fix?

Upgrade Alpine:3.20 xorg-server to version 21.1.2-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xorg-server package and not the xorg-server package as distributed by Alpine. See How to fix? for Alpine:3.20 relevant fixed versions and status.

A flaw was found in xorg-x11-server in versions before 21.1.2 and before 1.20.14. An out-of-bounds access can occur in the SProcXFixesCreatePointerBarrier function. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

References

CVSS Scores

version 3.1

Attack Vector (AV)

Local
Attack Complexity (AC)

Low
Privileges Required (PR)

Low
User Interaction (UI)

None

Scope (S)

Unchanged

Confidentiality (C)

High
Integrity (I)

High
Availability (A)

High

Out-of-Bounds Affecting xorg-server package, versions <21.1.2-r0

Severity

Snyk's Security Team recommends NVD's CVSS assessment