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CVE-2025-64181
Good to know:
Date: November 10, 2025
OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In versions 3.3.0 through 3.3.5 and 3.4.0 through 3.4.2, while fuzzing "openexr_exrcheck_fuzzer", Valgrind reports a conditional branch depending on uninitialized data inside "generic_unpack". This indicates a use of uninitialized memory. The issue can result in undefined behavior and/or a potential crash/denial of service. Versions 3.3.6 and 3.4.3 fix the issue.
Severity Score
Related Resources (8)
Severity Score
Weakness Type (CWE)
Use of Uninitialized Variable
CWE-457Top Fix
Upgrade Version
Upgrade to version openexr - 3.3.6;openexr - 3.4.3;openexr - 3.3.6;openexr - 3.4.3;openexr - 3.4.3;https://github.com/AcademySoftwareFoundation/openexr.git - 3.3.6;https://github.com/AcademySoftwareFoundation/openexr.git - 3.4.3
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | LOCAL |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | NONE |
| User Interaction (UI): | NONE |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | NONE |
| Integrity (I): | NONE |
| Availability (A): | LOW |