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Integer Overflow or Wraparound Affecting openexr package, versions <2.5.4-2+deb11u1

0.0
medium

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Availability High
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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-DEBIAN11-OPENEXR-1913908
  • 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 Debian:11 openexr to version 2.5.4-2+deb11u1 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:11. See How to fix? for Debian:11 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.