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VulnerabilityPublished Updated

CVE-2026-34537: InternationalColorConsortium iccDEV · Reliance on Undefined, Unspecified, or Implementation-Defined Behavior

Affects InternationalColorConsortium iccDEVSource CVE Database V5

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Not known to be exploited · CVSS 6.2 Medium : upgrade to 2.3.1.6 when convenient.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 3.1 base score
6.2Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 5% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 2.3.1.6
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 31 Mar 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Upgrade iccDEV and internationalcolorconsortium/iccDEV to 2.3.1.6.

Affected software

ProductAffectedFixed in
InternationalColorConsortiumiccDEVAffected
  • <2.3.1.6
Fixed in
  • 2.3.1.6
GitHubinternationalcolorconsortium/iccDEVpkg:github/internationalcolorconsortium/iccDEVOther threatsAffected
  • <2.3.1.6
Fixed in
  • 2.3.1.6

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Upgrade iccDEV to version 2.3.1.6 or later, where this vulnerability has been patched. No other mitigation is required as the issue is resolved in the official fix.

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.

References

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