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

0.0
medium

Snyk CVSS

    Attack Complexity Low

    Threat Intelligence

    EPSS 0.16% (53rd 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-1090005
  • published 31 Mar 2021
  • disclosed 30 Mar 2021
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Introduced: 30 Mar 2021

CVE-2021-3476 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 B44 uncompression functionality in versions before 3.0.0-beta. An attacker who is able to submit a crafted file to OpenEXR could trigger shift overflows, potentially affecting application availability.