CVE-2025-48071: PYSEC-2026-1747 - OpenEXR Heap-Based Buffer Overflow in Deep Scanline Parsing via Forged Unpacked Size

CVE-2025-48071 · Severity: low · CVSS 3.1 · Published 2026-07-07

OpenEXR Heap-Based Buffer Overflow in Deep Scanline Parsing via Forged Unpacked Size

Technologies: OpenEXR (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2025-48071 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-48071 being exploited in the wild.
How severe is CVE-2025-48071?
Low severity, with a CVSS score of 3.1, published 7 July 2026.
Which products and versions are affected?
OpenEXR (PyPI) ECOSYSTEM:introduced=3.3.0,fixed=3.3.3.
Is there a fix for CVE-2025-48071?
Yes. OpenEXR (PyPI): upgrade to 3.3.3 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-48071?
Check whether you run OpenEXR (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • OpenEXR (PyPI): upgrade to 3.3.3 or later
    pip install "OpenEXR>=3.3.3"

Affected products

  • OpenEXR (PyPI) ECOSYSTEM:introduced=3.3.0,fixed=3.3.3

Identifiers

  • CVE-2025-48071
  • GHSA-h45x-qhg2-q375
  • PYSEC-2026-1747

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