github.com
https://github.com/InternationalColorConsortium/iccDEV/issues/670 CVE-2026-34537
MEDIUM
iccDEV: UB in CIccOpDefEnvVar::Exec()
Record summary
CVE-2026-34537 has a selected CVSS score of 6.2 (medium).
Description
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.
Description source: CVE List
Exploitation context
CISA SSVC decision
ExploitationPoC
AutomatableNo
Technical impactPartial
CISA Coordinator · SSVC 2.0.3 · Evaluated Apr 3, 2026 · Source: CVE List
Affected products and versions
1| Product | Source | Version range | Status |
|---|---|---|---|
| CVE List | < 2.3.1.6 | affected |
References
3github.com
https://github.com/InternationalColorConsortium/iccDEV/pull/685 github.comConfirmation
https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-3m63-c4jf-592f