OpenEXR has integer overflow in DWA setupChannelData planarUncRle pointer arithmetic (missed variant of CVE-2026-34589) (AcademySoftwareFoundation openexr)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.43 % · percentile 37 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- GitHub_M
- NVD status
- Modified
Description
OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In versions 3.4.0 through 3.4.9, 3.3.0 through 3.3.9, and 3.2.0 through 3.2.7, `internal_dwa_compressor.h:1722` performs `curc->width * curc->height` in `int32` arithmetic without a `(size_t)` cast. This is the same overflow pattern fixed in other locations by the recent CVE-2026-34589 batch, but this line was missed. Versions 3.4.10, 3.3.10, and 3.2.8 contain a fix that addresses `internal_dwa_compressor.h:1722`.
Weaknesses (CWE)
- CWE-190 — Integer Overflow or Wraparound
References
- https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-j526-66f6-fxhx
- https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.2.8
- https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.3.10
- https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.4.10
- https://access.redhat.com/security/cve/CVE-2026-40244
- https://bugzilla.redhat.com/show_bug.cgi?id=2459955
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40244.json
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 4.0 | HIGH 8.4 | CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | GitHub_M |
| CVSS 3.1 | HIGH 8.2 | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H | redhat-SADP |
| CVSS 4.0 | HIGH 8.4 | CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X | NVD · security-advisories@github.com (Secondary) |
| CVSS 3.1 | HIGH 7.1 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 3.1 | HIGH 8.2 | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H | NVD · 0b0ca135-0b70-47e7-9f44-1890c2a1c46c (Secondary) |
European references
- ENISA EUVD · EUVD-2026-24046
- GCVE · GCVE-0-2026-40244
Affected configurations (NVD CPE)
cpe:2.3:a:openexr:openexr:*:*:*:*:*:*:*:*≥ 3.2.0 < 3.2.8cpe:2.3:a:openexr:openexr:*:*:*:*:*:*:*:*≥ 3.3.0 < 3.3.10cpe:2.3:a:openexr:openexr:*:*:*:*:*:*:*:*≥ 3.4.0 < 3.4.10
Affected products
| Product | Versions |
|---|---|
| AcademySoftwareFoundation · openexr | affected >= 3.2.0, < 3.2.8 ; affected >= 3.3.0, < 3.3.10 ; affected >= 3.4.0, < 3.4.10 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |