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Access Restriction Bypass Affecting libx11 package, versions <2:1.6.2-3+deb8u1

0.0
critical

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 1.3% (86th percentile)
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NVD
9.8 critical
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Red Hat
3.1 low

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  • Snyk ID SNYK-DEBIAN8-LIBX11-339128
  • published 13 Dec 2016
  • disclosed 13 Dec 2016
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Introduced: 13 Dec 2016

CVE-2016-7942 Open this link in a new tab
CWE-264 Open this link in a new tab
CWE-787 Open this link in a new tab

How to fix?

Upgrade Debian:8 libx11 to version 2:1.6.2-3+deb8u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libx11 package and not the libx11 package as distributed by Debian. See How to fix? for Debian:8 relevant fixed versions and status.

The XGetImage function in X.org libX11 before 1.6.4 might allow remote X servers to gain privileges via vectors involving image type and geometry, which triggers out-of-bounds read operations.

References