CVE-2026-21677

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Source

https://cve.org/CVERecord?id=CVE-2026-21677

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-21677.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-21677

Aliases

GHSA-95w5-jvqf-3994

Published

2026-01-06T03:11:30.537Z

Modified

2026-07-22T00:25:32.822748Z

Severity

8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator

Summary

iccDEV has Undefined Behavior in CIccCLUT::Init()

Details

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1 and below have Undefined Behavior in its CIccCLUT::Init function which initializes and sets the size of a CLUT. This issue is fixed in version 2.3.1.1.

Database specific

{
    "cwe_ids": [
        "CWE-20",
        "CWE-758"
    ],
    "cna_assigner": "GitHub_M",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/21xxx/CVE-2026-21677.json"
}

References

Affected packages

Git / github.com/internationalcolorconsortium/iccdev

Affected ranges

Type

GIT

Repo

https://github.com/internationalcolorconsortium/iccdev

Events

Introduced

Fixed

e9b21d2294add231d3a21698e303ddb2e569dc00

Fixed

201125fbda22c8e4ea95800a6b427093fa4b8a22

Database specific

{
    "source": [
        "CPE_RANGE",
        "REFERENCES"
    ],
    "cpe": "cpe:2.3:a:color:iccdev:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "2.3.1.1"
        }
    ]
}

Affected versions

v2.*

v2.2.6

v2.3.1

Database specific

vanir_signatures

[
    {
        "digest": {
            "length": 1598.0,
            "function_hash": "227823673230089686583901690369369785497"
        },
        "deprecated": false,
        "source": "https://github.com/internationalcolorconsortium/iccdev/commit/201125fbda22c8e4ea95800a6b427093fa4b8a22",
        "signature_type": "Function",
        "target": {
            "file": "IccProfLib/IccTagLut.cpp",
            "function": "CIccTagLut16::Read"
        },
        "signature_version": "v1",
        "id": "CVE-2026-21677-22449e38"
    },
    {
        "digest": {
            "length": 2983.0,
            "function_hash": "37742725407981482292833431319569651875"
        },
        "deprecated": false,
        "source": "https://github.com/internationalcolorconsortium/iccdev/commit/201125fbda22c8e4ea95800a6b427093fa4b8a22",
        "signature_type": "Function",
        "target": {
            "file": "IccProfLib/IccTagLut.cpp",
            "function": "CIccTagLutAtoB::Read"
        },
        "signature_version": "v1",
        "id": "CVE-2026-21677-92f6a96f"
    },
    {
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "247746992190782528443917574993732645355",
                "244687519752999072135853869424983412130",
                "321959825203956562735108588211645928023",
                "298964908695673890672950036474457781231",
                "210078484563400017643183021655945112774",
                "65632973338351993102087360350825118402",
                "193392673263979440393526601341743303502",
                "246803641952072560880370075464142768841",
                "144847476285813411852433624211318456677",
                "150378545483853071393310011252166591988",
                "61585765364201992563937995400240264071",
                "321128552509474935344103952746714037606",
                "227979766744028962923669501457237095813",
                "260145120059704398075758220821180702276",
                "321128552509474935344103952746714037606",
                "227979766744028962923669501457237095813",
                "301173243984739557066419498996407234575"
            ]
        },
        "deprecated": false,
        "source": "https://github.com/internationalcolorconsortium/iccdev/commit/201125fbda22c8e4ea95800a6b427093fa4b8a22",
        "signature_type": "Line",
        "target": {
            "file": "IccProfLib/IccTagLut.cpp"
        },
        "signature_version": "v1",
        "id": "CVE-2026-21677-c207b3bb"
    },
    {
        "digest": {
            "length": 1020.0,
            "function_hash": "86453871066112910183814057271044516794"
        },
        "deprecated": false,
        "source": "https://github.com/internationalcolorconsortium/iccdev/commit/201125fbda22c8e4ea95800a6b427093fa4b8a22",
        "signature_type": "Function",
        "target": {
            "file": "IccProfLib/IccTagLut.cpp",
            "function": "CIccCLUT::Init"
        },
        "signature_version": "v1",
        "id": "CVE-2026-21677-da02138a"
    },
    {
        "digest": {
            "length": 1518.0,
            "function_hash": "208884732708469336603410941307258761163"
        },
        "deprecated": false,
        "source": "https://github.com/internationalcolorconsortium/iccdev/commit/201125fbda22c8e4ea95800a6b427093fa4b8a22",
        "signature_type": "Function",
        "target": {
            "file": "IccProfLib/IccTagLut.cpp",
            "function": "CIccTagLut8::Read"
        },
        "signature_version": "v1",
        "id": "CVE-2026-21677-ef7bb07b"
    }
]

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-21677.json"

vanir_signatures_modified

"2026-07-22T00:25:32Z"