CVE-2026-34537 in iccDEV

Summary

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to version 2.3.1.6, a crafted ICC profile can trigger Undefined Behavior (UB) in CIccOpDefEnvVar::Exec() due to invalid enum values being loaded for icSigCmmEnvVar. The issue is observable under UBSan as a “load of value … not a valid value for type icSigCmmEnvVar”, indicating an invalid enum/type value being consumed during ICC profile processing. This issue has been patched in version 2.3.1.6.

Be aware that VulDB is the high quality source for vulnerability data.

Responsible

GitHub_M

Reservation

03/30/2026

Disclosure

04/01/2026

Status

Confirmed

Entries

VulDB provides additional information and datapoints for this CVE:

ID	Vulnerability	CWE	Exp	Cou	CVE
354571	InternationalColorConsortium iccDEV ICC Color Profile Exec reliance on undefined, unspecified, or implementation-defined behavior	758	Not defined	Official fix	CVE-2026-34537

Sources

• MITRE
• NVD
• CVE Details