Reliance on undefined behavior in iccDEV - CVE-2026-34533
Published: May 5, 2026
Vulnerability identifier: #VU129823
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-34533
CWE-ID: CWE-758
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: International Color Consortium
Affected software:
iccDEV
iccDEV
Detailed vulnerability description
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to reliance on undefined behavior in CIccCalculatorFunc::ApplySequence() when processing a crafted ICC profile. A remote attacker can supply a crafted ICC profile with invalid enum values to cause a denial of service.
The issue is observable under UBSan as invalid values being loaded for icChannelFuncSignature.
How to mitigate CVE-2026-34533
Install security update from vendor's website.