CVE-2026-21496: NULL Pointer Dereference in iccDEV Signature Parser

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-01-07 · updated 2026-06-17
Weakness: CWE-20

Description

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.

Affected products

InternationalColorConsortium iccDEV: before 2.3.1.2 — fixed in 2.3.1.2

How to fix

Upgrade to a fixed version: InternationalColorConsortium iccDEV 2.3.1.2. Check the vendor advisory for mitigations.

References

https://github.com/InternationalColorConsortium/iccDEV/commit/0e51ceb427925b7e22f0465547df7506d35cda1c
https://github.com/InternationalColorConsortium/iccDEV/commit/b5ad23aceece3789bdf1c47bae1ecf9d7bfcd26d
https://github.com/InternationalColorConsortium/iccDEV/issues/381
https://github.com/InternationalColorConsortium/iccDEV/pull/405
https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-wj8m-6w77-r4rw

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