Vulnerabilities in pkg:pypi/opencolorio

PACKAGE
Advisory Identifier: GHSA-m86r-wr74-693h
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Advisory Summary

CVE-2025-15506 is a LOW (CVSS 3.3) academysoftwarefoundation opencolorio has an out-of-bounds vulnerability (CWE-125: Out-of-bounds Read) affecting Opencolorio libraries in the PyPI ecosystem. The issue involves academysoftwarefoundation opencolorio has an out-of-bounds vulnerability. Remediation is available by upgrading affected packages to version 2.5.1.

1 Known Advisory Record(s)
Package Vulnerability Intelligence

pkg:pypi/opencolorio

1 Known Advisory Record(s)

Vulnerability advisories affecting package pkg:pypi/opencolorio. Select an advisory below to view technical details or fixes.

Advisory ID CVE / NVD Severity Summary
GHSA-m86r-wr74-693h CVE-2025-15506 LOW AcademySoftwareFoundation OpenColorIO has an out-of-bounds vulnerability

CVE-2025-15506 at a Glance

CVE Identifier CVE-2025-15506
GHSA Identifier GHSA-m86r-wr74-693h
Severity LOW
CVSS v3.1 Base Score 3.3
CWE Classification CWE-125: Out-of-bounds Read
Affected Product Opencolorio
Package Ecosystem PyPI
Published Date
Last Updated

Security Impact

CVSS: 3.3

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L).

Attack Vector Local (AV:L)
Attack Complexity Low (AC:L)
Privileges Required Low (PR:L)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality None (C:N)
Integrity None (I:N)
Availability Low (A:L)

How to Fix CVE-2025-15506

To remediate this vulnerability, upgrade all affected Opencolorio dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

opencolorio fixed: 2.5.1 
pip install opencolorio>=2.5.1
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

pip show opencolorio

How to Check if You Are Affected

To determine whether your Python environment is affected by CVE-2025-15506, inspect your installed packages using pip:

pip show opencolorio

Analyze the terminal output to locate any version of Opencolorio in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.5.1), your application is affected.

Note: The pip show opencolorio command checks currently installed packages in your active Python environment.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-125: Out-of-bounds Read, where the product reads data past the end, or before the beginning, of the intended buffer. In Opencolorio, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

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.

CVE-2025-15506 Affected Opencolorio Versions

1 component(s)
Fixed Versions:
2.5.1
Product / Package Ecosystem Affected Versions Fixed Version
opencolorio
pypi/opencolorio
PyPI
< 2.5.1
2.5.1

References

NVD — CVE-2025-15506 NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-15506
Opencolorio Source Repository REPOSITORY
https://github.com/AcademySoftwareFoundation/OpenColorIO/issues/2228
Opencolorio Source Repository REPOSITORY
https://github.com/AcademySoftwareFoundation/OpenColorIO/pull/2231
Security Fix Commit FIX COMMIT
https://github.com/cozdas/OpenColorIO/commit/ebdbb75123c9d5f4643e041314e2bc988a13f20d
Opencolorio Source Repository REPOSITORY
https://github.com/AcademySoftwareFoundation/OpenColorIO
Opencolorio Source Repository REPOSITORY
https://github.com/AcademySoftwareFoundation/OpenColorIO/milestone/11
Opencolorio Source Repository REPOSITORY
https://github.com/oneafter/1225/blob/main/uaf
vuldb.com/ WEB
https://vuldb.com/?ctiid.340444
vuldb.com/ WEB
https://vuldb.com/?id.340444
vuldb.com/ WEB
https://vuldb.com/?submit.733332

Frequently Asked Questions

What is CVE-2025-15506?
CVE-2025-15506 is a security vulnerability in Opencolorio involving AcademySoftwareFoundation OpenColorIO has an out-of-bounds vulnerability under CWE-125: Out-of-bounds Read.
Which Opencolorio versions are affected?
Affected versions include releases prior to 2.5.1 across affected packages: opencolorio.
What version fixes CVE-2025-15506?
Upgrading to 2.5.1 (or the latest patched release for your respective branch) resolves the vulnerability.
Is opencolorio affected?
Yes, opencolorio is affected in releases prior to 2.5.1. Upgrade your dependency to 2.5.1 or later.
What is the CVSS score of CVE-2025-15506?
CVE-2025-15506 has a CVSS v3.1 base score of 3.3 (LOW) with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
What CWE is associated with CVE-2025-15506?
CVE-2025-15506 is classified under CWE-125: Out-of-bounds Read (The product reads data past the end, or before the beginning, of the intended buffer.).
How can I check PyPI dependencies for CVE-2025-15506?
Run the dependency tree command: 'pip show opencolorio'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-m86r-wr74-693h",
  "modified" : "2026-01-13T19:06:56Z",
  "published" : "2026-01-11T12:30:27Z",
  "aliases" : [ "CVE-2025-15506" ],
  "summary" : "AcademySoftwareFoundation OpenColorIO has an out-of-bounds vulnerability",
  "details" : "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.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"
  }, {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "PyPI",
      "name" : "opencolorio"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "2.5.1"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2025-15506"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/AcademySoftwareFoundation/OpenColorIO/issues/2228"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/AcademySoftwareFoundation/OpenColorIO/pull/2231"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/cozdas/OpenColorIO/commit/ebdbb75123c9d5f4643e041314e2bc988a13f20d"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/AcademySoftwareFoundation/OpenColorIO"
  }, {
    "type" : "WEB",
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  }, {
    "type" : "WEB",
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    "type" : "WEB",
    "url" : "https://vuldb.com/?ctiid.340444"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/?id.340444"
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    "type" : "WEB",
    "url" : "https://vuldb.com/?submit.733332"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-119", "CWE-125" ],
    "severity" : "LOW",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-01-13T19:06:56Z",
    "nvd_published_at" : "2026-01-11T11:15:49Z"
  }
}