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Integer Overflow or Wraparound Affecting openexr package, versions <2.5.4-1

low

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.22% (61st percentile)
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NVD
7.5 high
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SUSE
5.3 medium
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Red Hat
7.5 high

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  • Snyk ID SNYK-DEBIAN11-OPENEXR-1318908
  • published 15 Jul 2021
  • disclosed 23 Aug 2022
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Introduced: 15 Jul 2021

CVE-2021-20304 Open this link in a new tab
CWE-190 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 hufDecode functionality. This flaw allows an attacker who can pass a crafted file to be processed by OpenEXR, to trigger an undefined right shift error. The highest threat from this vulnerability is to system availability.