CVE-2026-21496: iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of

Q: How do I fix CVE-2026-21496?

iccdev: upgrade to 2.3.1.2. Exact commands for each OS are on this page.

Q: Is CVE-2026-21496 being exploited?

CVE-2026-21496 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-2026-21496 affect?

CVE-2026-21496 affects iccdev. Severity is medium (CVSS 5.5). iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of ICC color management profiles. Prior to version 2.3.1.2, iccDEV is vulnerable to NULL pointer dereference via the signature parser

Q: How urgent is CVE-2026-21496?

Priority 26/100. Public exploit reference

Routine

MEDIUM 5.5UPGRADE

CVE-2026-21496 is a medium-severity flaw (CVSS 5.5) 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 that allow for the interaction, manipulation, and application of ICC color management profiles. Prior to version 2.3.1.2, iccDEV is vulnerable to NULL pointer dereference via the signature parser. This issue has been patched in version 2.3.1.2.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 92%)
CISA exploited list	No
Weakness	CWE-20, CWE-252, CWE-476, CWE-690
Published	2026-01-07
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

2026-01-07 18:15 UTCPublished CVE record published
2026-06-17 10:18 UTCUpdated Record last modified

color iccdev UPGRADE

Affected: < 2.3.1.2

Fixed in: 2.3.1.2

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 2.3.1.2 (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-2026-21496?

iccdev: upgrade to 2.3.1.2. Exact commands for each OS are on this page.

Is CVE-2026-21496 being exploited?

CVE-2026-21496 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-2026-21496 affect?

CVE-2026-21496 affects iccdev. Severity is medium (CVSS 5.5). iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of ICC color management profiles. Prior to version 2.3.1.2, iccDEV is vulnerable to NULL pointer dereference via the signature parser

How urgent is CVE-2026-21496?

Priority 26/100. Public exploit reference

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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