CVE-2025-48074: AcademySoftwareFoundation openexr · Unthrottled Resource Allocation
Affects AcademySoftwareFoundation openexrSource CVE Database V5
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
- 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:NExploitation evidence
Disclosed: evidence found.
CVE published 1 Aug 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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.