What is the CVSS score of CVE-2026-21487?

CVE-2026-21487 has a CVSS 3.1 base score of 6.1 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H. EPSS exploitation probability: 0.0%.

Which versions of Iccdev are affected by CVE-2026-21487?

CVE-2026-21487 presents moderate security risk, a input validation vulnerability rated CVSS 6.1. Exploitation could compromise the security of affected deployments.. A patch is available.

Is there a public PoC exploit available for CVE-2026-21487?

Yes, a public proof-of-concept exploit is available for CVE-2026-21487. Prioritise patching immediately. EPSS: 0.0%.

Iccdev CVE-2026-21487

MEDIUM

Improper Input Validation (CWE-20)

2026-01-06 security-advisories@github.com

Buffer Overflow Code Injection Iccdev

6.1

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

6.1 MEDIUM

AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

PoC Detected

Jan 12, 2026 - 20:57 vuln.today

Public exploit code

Patch released

Jan 12, 2026 - 20:57 nvd

Patch available

CVE Published

Jan 06, 2026 - 04:15 nvd

MEDIUM 6.1

DescriptionGitHub Advisory

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1.1 and below have an Out-of-bounds Read, Use of Out-of-range Pointer Offset and have Improper Input Validation in its CIccProfile::LoadTag function. This issue is fixed in version 2.3.1.2.

AnalysisAI

iccDEV versions 2.3.1.1 and below allow local attackers to cause a denial of service or leak sensitive memory through improper input validation in the CIccProfile::LoadTag function, which fails to properly validate ICC profile data before processing. Public exploit code exists for this vulnerability, and a patch is available in version 2.3.1.2.

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Vulnerability AssessmentAI

Risk Assessment	CVSS 6.1 (MEDIUM). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	An attacker could exploit this vulnerability to compromise the affected system.
Remediation	A vendor patch is available — apply it immediately. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. …

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CVE-2026-21487 vulnerability details – vuln.today

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