Integer Overflow or Wraparound Affecting openexr package, versions [,2.5.4)


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
1.01% (77th percentile)

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  • Snyk IDSNYK-CONAN-OPENEXR-10077876
  • published8 May 2025
  • disclosed30 Mar 2021
  • creditUnknown

Introduced: 30 Mar 2021

CVE-2021-3474  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade openexr to version 2.5.4 or higher.

Overview

Affected versions of this package are vulnerable to Integer Overflow or Wraparound. There's a flaw in OpenEXR in versions before 3.0.0-beta. A crafted input file that is processed by OpenEXR could cause a shift overflow in the FastHufDecoder, potentially leading to problems with application availability.

CVSS Base Scores

version 3.1