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Integer Overflow or Wraparound Affecting openexr package, versions <2.2.0-10ubuntu2.6+esm2

0.0
medium

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Availability High

    Threat Intelligence

    EPSS 0.08% (33rd percentile)
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NVD
5.5 medium
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SUSE
5.5 medium
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Red Hat
5.5 medium

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  • Snyk ID SNYK-UBUNTU1604-OPENEXR-1913426
  • published 10 Nov 2021
  • disclosed 25 Mar 2022
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Introduced: 10 Nov 2021

CVE-2021-3933 Open this link in a new tab
CWE-190 Open this link in a new tab

How to fix?

Upgrade Ubuntu:16.04 openexr to version 2.2.0-10ubuntu2.6+esm2 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 Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

An integer overflow could occur when OpenEXR processes a crafted file on systems where size_t < 64 bits. This could cause an invalid bytesPerLine and maxBytesPerLine value, which could lead to problems with application stability or lead to other attack paths.