CVE-2026-59984
Publication date 25 August 2026
Last updated 2 September 2026
Ubuntu priority
Description
OpenEXR is the reference implementation and specification for the EXR image format, widely used in the motion picture industry. OpenEXR versions 3.1.0 through 3.2.10, 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 write. When a crafted B44-compressed scanline EXR causes the logical scratch size to truncate before allocation and uncompress_b44_impl() writes using the attacker-controlled channel width, allowing denial of service and memory corruption. This issue is fixed in versions 3.2.11, 3.3.13, and 3.4.14.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| openexr | 26.04 LTS resolute |
Needs evaluation
|
| 24.04 LTS noble |
Needs evaluation
|
|
| 22.04 LTS jammy |
Needs evaluation
|
|
| 20.04 LTS focal |
Needs evaluation
|
|
| 18.04 LTS bionic |
Needs evaluation
|
|
| 16.04 LTS xenial |
Needs evaluation
|
Severity score breakdown
CVSS version: CVSS v3.0
Base score
5.5 · Medium
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
References
Other references
- https://www.cve.org/CVERecord?id=CVE-2026-59984
- https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-92pq-9qv4-g68q
- https://github.com/AcademySoftwareFoundation/openexr/commit/3a4214aa73041c194e450cdd6a52c0bf9f17a237 (main)
- https://github.com/AcademySoftwareFoundation/openexr/commit/2a7386be8ec1b637dd7c6c3b91db47a6c472ed01 (v3.4.14-rc)
- https://github.com/AcademySoftwareFoundation/openexr/commit/c550555a1657398e6a9f96c3530f8b1370a6fd94 (v3.2.11-rc)