Out-of-bounds Read Affecting openexr-debugsource package, versions <0:3.1.5-1.amzn2023.0.12


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.25% (16th percentile)

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  • Snyk IDSNYK-AMZN2023-OPENEXRDEBUGSOURCE-19821593
  • published15 Sept 2026
  • disclosed25 Aug 2026

Introduced: 25 Aug 2026

NewCVE-2026-59189  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 openexr-debugsource to version 0:3.1.5-1.amzn2023.0.12 or higher.
This issue was patched in ALAS2023-2026-2154.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openexr-debugsource package and not the openexr-debugsource package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

OpenEXR is the reference implementation and specification for the EXR image format, widely used in the motion picture industry. In OpenEXRUtil versions 3.3.0 through 3.3.12 and 3.4.0 through 3.4.12, the documented TypedDeepImageChannel<T>::row() API can return an out-of-bounds pointer when a deep image has a non-zero dataWindow origin, resulting in a heap out-of-bounds read and crash, with potential information disclosure under a controlled heap layout. The flaw arises because ImfDeepImageChannel uses two conflicting coordinate models: at(x, y) uses absolute coordinates (with _base offset by dataWindow.min), while row(r) is documented as 0-based logical access. For a non-zero dataWindow.min, row(0) therefore points outside the _sampleListPointers allocation instead of at the first logical row. This issue is fixed in versions 3.3.13 and 3.4.13.

CVSS Base Scores

version 3.1