AcademySoftwareFoundation OpenColorIO has an out-of-bounds vulnerability
A vulnerability was found in AcademySoftwareFoundation OpenColorIO up to 2.5.0. This issue affects the function ConvertToRegularExpression of the file src/OpenColorIO/FileRules.cpp. Performing a manipulation results in out-of-bounds read. The attack needs to be approached locally. The exploit has been made public and could be used. The patch is named ebdbb75123c9d5f4643e041314e2bc988a13f20d. To fix this issue, it is recommended to deploy a patch. The fix was added to the 2.5.1 milestone.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | opencolorio | < 2.5.1 | 2.5.1 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2025-15506
- https://github.com/AcademySoftwareFoundation/OpenColorIO/issues/2228
- https://github.com/AcademySoftwareFoundation/OpenColorIO/pull/2231
- https://github.com/cozdas/OpenColorIO/commit/ebdbb75123c9d5f4643e041314e2bc988a13f20d
- https://github.com/AcademySoftwareFoundation/OpenColorIO
- https://github.com/AcademySoftwareFoundation/OpenColorIO/milestone/11
- https://github.com/oneafter/1225/blob/main/uaf
- https://vuldb.com/?ctiid.340444
- https://vuldb.com/?id.340444
- https://vuldb.com/?submit.733332
- https://pypi.org/project/opencolorio
- https://github.com/advisories/GHSA-m86r-wr74-693h
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L- Weakness (CWE)
CWE-119, CWE-125- Platform
- Python (PyPI)
- Package
opencolorio- Disclosed
- 11.01.2026
- Updated
- 11.10.2026 13:18
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2026-1745 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-m86r-wr74-693h - CC BY 4.0
Vulnerability history: opencolorio
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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