Integer Overflow Affecting openexr package, versions [,3.1.4)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.06% (18th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-CONAN-OPENEXR-10077888
  • published8 May 2025
  • disclosed1 Apr 2022
  • creditUnknown

Introduced: 1 Apr 2022

CVE-2021-3933  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade openexr to version 3.1.4 or higher.

Overview

Affected versions of this package are vulnerable to Integer Overflow 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.

CVSS Base Scores

version 3.1