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NULL Pointer Dereference Affecting openexr package, versions <2.5.4-1

0.0
medium

Snyk CVSS

    Attack Complexity Low

    Threat Intelligence

    EPSS 0.13% (48th percentile)
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NVD
5.3 medium
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SUSE
5.3 medium
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Red Hat
5.3 medium

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  • Snyk ID SNYK-DEBIAN11-OPENEXR-1089988
  • published 31 Mar 2021
  • disclosed 1 Apr 2021
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Introduced: 31 Mar 2021

CVE-2021-20296 Open this link in a new tab
CWE-476 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 in versions before 3.0.0-beta. A crafted input file supplied by an attacker, that is processed by the Dwa decompression functionality of OpenEXR's IlmImf library, could cause a NULL pointer dereference. The highest threat from this vulnerability is to system availability.