CVE-2026-21489

HIGHNVD 7.17.1—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.1 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 98% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
7.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.1Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1.1 and below have Out-of-bounds Read and Integer Underflow (Wrap or Wraparound) vulnerabilities in its CIccCalculatorFunc::SequenceNeedTempReset function. This issue is fixed in version 2.3.1.2.

CVSS v3
7.1
EG Score
7.1(medium)
EG Risk
32(Track)
EG Risk 32/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity71% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
3%
KEV
Not listed

Published

January 6, 2026

Last Modified

June 17, 2026

Advisory Details (2)

Auto-updated Aug 6, 2026
Patch available. Sources: github_commit, github.
github Patch Available

Out-of-bounds Read and Integer Underflow (Wrap or Wraparound) in iccDEV · Advisory · InternationalColorConsortium/iccDEV · GitHub

https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-ph89-6q5h-wfw5
github_commit

commit cfabfe52c9c7 (InternationalColorConsortium/iccDEV)

Fix landed in InternationalColorConsortium/iccDEV commit cfabfe52c9c7 — awaiting tagged release

https://github.com/InternationalColorConsortium/iccDEV/commit/cfabfe52c9c7eb0481b62c8aad56580bb11efdad

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 4× in last 7d / 23× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 126 total refreshes for this CVE.

  1. 2026-09-19 07:06 UTCOSV refresh
  2. 2026-09-18 19:27 UTCEPSS rescore
  3. 2026-09-16 14:07 UTCEPSS rescore
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  1. 2026-08-16 14:56 UTCEPSS rescore
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  14. 2026-08-06 06:19 UTCEG score recompute▲ 1.00
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  25. 2026-07-23 11:19 UTCOSV refresh
  26. 2026-07-23 03:06 UTCEG score recompute
  27. 2026-07-22 14:08 UTCEPSS rescore
  28. 2026-07-20 17:08 UTCEPSS rescore
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  66. 2026-06-17 17:53 UTCEPSS rescore
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  74. 2026-06-10 22:18 UTCEPSS rescore
  75. 2026-06-10 13:22 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2026-21489?
CVE-2026-21489 is a high vulnerability published on January 6, 2026. iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1.1 and below have Out-of-bounds Read and Integer Underflow (Wrap or Wraparound) vulnerabilities in its CIccCalculatorFunc::SequenceNeedTempReset function. This issue is fixed in version…
When was CVE-2026-21489 disclosed?
CVE-2026-21489 was first published in the National Vulnerability Database on January 6, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-21489 actively exploited?
CVE-2026-21489 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 96.8% of all scored CVEs.
What is the CVSS score of CVE-2026-21489?
CVE-2026-21489 has a CVSS v3 base score of 7.1 (NVD).
How do I remediate CVE-2026-21489?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-21489, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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