CVE-2026-59183
Publication date 25 August 2026
Last updated 26 August 2026
Ubuntu priority
Description
OpenEXR is the reference implementation and specification for the EXR image format, widely used in the motion picture industry. In versions 3.1.0 through 3.2.10, 3.3.0 through 3.3.12, and 3.4.0 through 3.4.13, an int32_t multiplication in OpenEXRCore's unpack_sample_table() can overflow while decoding a crafted deep tiled EXR file, producing an invalid pointer that leads to a read from an unmapped memory address and a crash. Because the overflow occurs in the standard decoding path (exr_decoding_run), any application that decodes deep tiled EXR files is affected. 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-2026-59183
- https://github.com/academysoftwarefoundation/openexr/commit/5e55a64ad1f119a8166542f4b6e034c31b7e043a
- https://github.com/academysoftwarefoundation/openexr/commit/a6cf183725b5665ac3fdbec640125fba5ee1ab39
- https://github.com/academysoftwarefoundation/openexr/commit/e2adb5be3bbc3a1f82f2bc06cc9699995a99a607
- https://github.com/academysoftwarefoundation/openexr/security/advisories/ghsa-rqp5-pmwm-wj6x
- https://github.com/cveproject/cvelistv5/tree/main/cves/2026/59xxx/cve-2026-59183.json