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Out-of-Bounds Affecting xwayland package, versions <2:21.1.4-1

0.0
high

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.05% (17th percentile)
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NVD
7.8 high
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Red Hat
7.8 high
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SUSE
7.8 high

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  • Snyk ID SNYK-DEBIANUNSTABLE-XWAYLAND-2320164
  • published 15 Dec 2021
  • disclosed 17 Dec 2021
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Introduced: 15 Dec 2021

CVE-2021-4008 Open this link in a new tab
CWE-119 Open this link in a new tab

How to fix?

Upgrade Debian:unstable xwayland to version 2:21.1.4-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xwayland package and not the xwayland package as distributed by Debian. See How to fix? for Debian:unstable 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 SProcRenderCompositeGlyphs function. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

References