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Use of Uninitialized Variable The advisory has been revoked - it doesn't affect any version of package openexr  (opens in a new tab)

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EPSS
0.41% (34th percentile)

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  • Snyk IDSNYK-UBUNTU2604-OPENEXR-16237026
  • published24 Apr 2026
  • disclosed10 Nov 2025
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Introduced: 10 Nov 2025

CVE-2025-64181  (opens in a new tab)
CWE-457  (opens in a new tab)

Amendment

The Ubuntu security team deemed this advisory irrelevant for Ubuntu:26.04.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openexr package and not the openexr package as distributed by Ubuntu.

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In versions 3.3.0 through 3.3.5 and 3.4.0 through 3.4.2, while fuzzing openexr_exrcheck_fuzzer, Valgrind reports a conditional branch depending on uninitialized data inside generic_unpack. This indicates a use of uninitialized memory. The issue can result in undefined behavior and/or a potential crash/denial of service. Versions 3.3.6 and 3.4.3 fix the issue.