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Integer Underflow Affecting openexr package, versions <3.1.5-2

low

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Availability High

    Threat Intelligence

    EPSS 0.06% (22nd percentile)
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NVD
5.5 medium
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Red Hat
5.5 medium

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  • Snyk ID SNYK-DEBIAN12-OPENEXR-1555810
  • published 7 Jun 2021
  • disclosed 8 Jun 2021
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Introduced: 7 Jun 2021

CVE-2021-26945 Open this link in a new tab
CWE-191 Open this link in a new tab
CWE-400 Open this link in a new tab

How to fix?

Upgrade Debian:12 openexr to version 3.1.5-2 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:12 relevant fixed versions and status.

An integer overflow leading to a heap-buffer overflow was found in OpenEXR in versions before 3.0.1. An attacker could use this flaw to crash an application compiled with OpenEXR.