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Out-of-bounds Read Affecting qemu package, versions <1:2.12~rc3+dfsg-1

0.0
medium

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.06% (26th percentile)
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NVD
5.5 medium
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Red Hat
5.5 medium

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  • Snyk ID SNYK-DEBIAN10-QEMU-427994
  • published 12 Mar 2018
  • disclosed 12 Mar 2018
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Introduced: 12 Mar 2018

CVE-2018-7858 Open this link in a new tab
CWE-125 Open this link in a new tab

How to fix?

Upgrade Debian:10 qemu to version 1:2.12~rc3+dfsg-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu package and not the qemu package as distributed by Debian. See How to fix? for Debian:10 relevant fixed versions and status.

Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display.