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Out-of-bounds Write Affecting openexr package, versions <2.5.4-1

0.0
high

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.24% (62nd percentile)
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NVD
7.5 high
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SUSE
7.5 high
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Red Hat
7.5 high

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  • Snyk ID SNYK-DEBIAN11-OPENEXR-1318902
  • published 15 Jul 2021
  • disclosed 23 Aug 2022
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Introduced: 15 Jul 2021

CVE-2021-20298 Open this link in a new tab
CWE-787 Open this link in a new tab

How to fix?

Upgrade Debian:11 openexr to version 2.5.4-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openexr package and not the openexr package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

A flaw was found in OpenEXR's B44Compressor. This flaw allows an attacker who can submit a crafted file to be processed by OpenEXR, to exhaust all memory accessible to the application. The highest threat from this vulnerability is to system availability.