NULL Pointer Dereference Affecting openexr package, versions [3.3.2,3.3.3)


Severity

Recommended
0.0
low
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.2% (10th percentile)

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  • Snyk IDSNYK-PYTHON-OPENEXR-11356875
  • published1 Aug 2025
  • disclosed31 Jul 2025
  • creditsuidpit, TheZ3ro, nico, Abdel Adim `smaury` Oisfi

Introduced: 31 Jul 2025

CVE-2025-48073  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade OpenEXR to version 3.3.3 or higher.

Overview

OpenEXR is a Python bindings for the OpenEXR image file format

Affected versions of this package are vulnerable to NULL Pointer Dereference via the ScanLineProcess::run_fill function when processing deep scanline images with large sample counts in reduceMemory mode. An attacker can cause the application to crash by providing a specially crafted image file that triggers a NULL pointer dereference during a write operation.

References

CVSS Base Scores

version 4.0
version 3.1