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CVE-2025-48074VulnerabilityPublished

CVE-2025-48074: AcademySoftwareFoundation openexr · Unthrottled Resource Allocation

Affects AcademySoftwareFoundation openexrSource CVE Database V5

0

Not known to be exploited · CVSS 4.6 Medium · fixed in 3.3.3 : update AcademySoftwareFoundation openexr when convenient.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 4.0 base score
4.6Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 19% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 3.3.3
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 1 Aug 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

What to do

AI-suggested

European organizations should promptly update OpenEXR to version 3.3.3 or later to address this vulnerability. For environments where immediate patching is not feasible, implement strict validation and sanitization of EXR files before processing, including limiting the size and dimensions of dataWindow parameters. Employ resource monitoring and limits on memory usage for processes handling EXR files to detect and mitigate abnormal resource consumption. Restrict the acceptance of EXR files to trusted sources and implement user authentication and authorization controls to reduce exposure to malicious files. Incorporate file scanning and sandboxing techniques to analyze EXR files in isolated environments prior to integration into production workflows. Additionally, maintain comprehensive logging and alerting on resource usage anomalies to enable rapid response. Finally, educate development and operations teams about this vulnerability and ensure secure coding practices when handling image file inputs.

Description

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In version 3.3.2, applications trust unvalidated dataWindow size values from file headers, which can lead to excessive memory allocation and performance degradation when processing malicious files. This is fixed in version 3.3.3.

References

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