Vulnerability Description
OpenEXR is the reference implementation and specification for the EXR image format, widely used in the motion picture industry. OpenEXR versions before 3.2.11, 3.3.0 through 3.3.12, and 3.4.0 through 3.4.13 are vulnerable on ILP32 builds to an out-of-bounds read. The vulnerability is reached when a crafted uncompressed deep-tile EXR causes the sample-count table size calculation in OpenEXRCore decoding.c to wrap before unpack_sample_table() iterates over the full attacker-controlled tile dimensions, allowing denial of service. This issue is fixed in versions 3.2.11, 3.3.13, and 3.4.14.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/AcademySoftwareFoundation/openexr/commit/0efec58d2d28a0ee322f
- https://github.com/AcademySoftwareFoundation/openexr/commit/78e91146fceeee317820
- https://github.com/AcademySoftwareFoundation/openexr/commit/f0e404f7298cd8563a1d
- https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-p4
- https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-p4
FAQ
What is CVE-2026-59983?
CVE-2026-59983 is a vulnerability with a CVSS score of 5.5 (MEDIUM). OpenEXR is the reference implementation and specification for the EXR image format, widely used in the motion picture industry. OpenEXR versions before 3.2.11, 3.3.0 through 3.3.12, and 3.4.0 through ...
How severe is CVE-2026-59983?
CVE-2026-59983 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-59983?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.