What is CVE-2026-26981?

CVE-2026-26981 is a medium-severity vulnerability in Academysoftwarefoundation Openexr, classified under CWE-195. CVSS score: 6.5/10. Published 2026-02-24.

How severe is CVE-2026-26981?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Academysoftwarefoundation Openexr

CVE-2026-26981

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 3.3.6 and 3.4.0 through 3.4.4, a heap-buffer-overflow (OOB read) occ…

EPSS: 0.000 (7.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Academysoftwarefoundation Openexr — versions >= 3.3.0, < 3.3.7, >= 3.4.0, < 3.4.5

Weakness classification (CWE)

CWE-195

References

https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-q6vj-wxvf-5m8c (x_refsource_CONFIRM)
https://github.com/AcademySoftwareFoundation/openexr/commit/6bb2ddf1068573d073edf81270a015b38cc05cef (x_refsource_MISC)
https://github.com/AcademySoftwareFoundation/openexr/commit/d2be382758adc3e9ab83a3de35138ec28d93ebd8 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-26981?: CVE-2026-26981 is a medium-severity vulnerability in Academysoftwarefoundation Openexr, classified under CWE-195. CVSS score: 6.5/10. Published 2026-02-24.
How severe is CVE-2026-26981?: Medium severity. CVSS v3 base score is 6.5 out of 10.