Vulnerability · Published Jan 7, 2026 · Assigned by GitHub_M

CVE-2026-21680iccDEV has Null Pointer Dereference in CIccProfile::CheckTagTypes()

Medium 6.5

In plain English

A medium-severity null pointer dereference in iccDEV from InternationalColorConsortium. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium

Exploit odds (30 days)0.3%top 75.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of International Color Consortium (ICC) color management profiles. Versions prior to 2.3.1.2 have a NULL pointer dereference vulnerability. This vulnerability affects users of the iccDEV library who process ICC color profiles. Version 2.3.1.2 contains a patch. No known workarounds are available.

Affected products (as reported)

Vendor	Product	Versions
InternationalColorConsortium	iccDEV	< 2.3.1.2

Weakness: CWE-476 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-mgp7-w4w3-mhx4 x_refsource_CONFIRM
https://github.com/InternationalColorConsortium/iccDEV/issues/322 x_refsource_MISC
https://github.com/InternationalColorConsortium/iccDEV/pull/325 x_refsource_MISC