CVE-2026-21507: iccDEV provides a set of libraries and tools for working with ICC color management profiles

Q: How do I fix CVE-2026-21507?

iccdev: upgrade to 2.3.1.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-21507 being exploited?

CVE-2026-21507 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-21507 affect?

CVE-2026-21507 affects iccdev. Severity is high (CVSS 7.5). iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1 and below have an infinite loop in the IccProfile.cpp function, CalcProfileID. This issue is fixed in version 2.3.1.1.

Q: How urgent is CVE-2026-21507?

Priority 46/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2026-21507 is a high-severity flaw (CVSS 7.5) affecting iccdev. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1 and below have an infinite loop in the IccProfile.cpp function, CalcProfileID. This issue is fixed in version 2.3.1.1.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-835
Published	2026-01-06
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: color

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-01-06 01:16 UTCPublished CVE record published
2026-06-17 10:18 UTCUpdated Record last modified

color iccdev UPGRADE

Affected: < 2.3.1.1

Fixed in: 2.3.1.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy iccdev || rpm -q iccdev || iccdev --version

2. UPGRADE to 2.3.1.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade iccdev

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade iccdev

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-21507?

iccdev: upgrade to 2.3.1.1. Exact commands for each OS are on this page.

Is CVE-2026-21507 being exploited?

CVE-2026-21507 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-21507 affect?

CVE-2026-21507 affects iccdev. Severity is high (CVSS 7.5). iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1 and below have an infinite loop in the IccProfile.cpp function, CalcProfileID. This issue is fixed in version 2.3.1.1.

How urgent is CVE-2026-21507?

Priority 46/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-31797 MEDIUM 6.1 UPGRADE iccDEV provides a set of libraries and tools for working with ICC color management profiles
CVE-2026-31796 HIGH 7.8 UPGRADE iccDEV provides a set of libraries and tools for working with ICC color management profiles
CVE-2026-31795 HIGH 7.8 UPGRADE iccDEV provides a set of libraries and tools for working with ICC color management profiles
CVE-2026-31794 MEDIUM 5.5 UPGRADE iccDEV provides a set of libraries and tools for working with ICC color management profiles
CVE-2026-31793 MEDIUM 5.5 UPGRADE iccDEV provides a set of libraries and tools for working with ICC color management profiles

References

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