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VulnerabilityPublished

CVE-2026-34548: InternationalColorConsortium iccDEV · Incorrect Conversion Between Numeric Types

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 29 Oct 2026, 19:04 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 29 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

To mitigate this vulnerability, organizations should upgrade iccDEV to version 2.3.1.6 or later, where the incorrect numeric conversion has been fixed. Additionally, it is advisable to audit any custom tools or workflows that utilize iccToXml or related iccDEV components to ensure they do not process untrusted or malformed ICC profiles that could trigger the undefined behavior. Implementing strict input validation and sanitization on ICC profile data can reduce the risk of accidental or malicious triggering. For environments where local access cannot be fully controlled, applying operating system-level protections such as sandboxing or limiting execution privileges of iccDEV tools can help contain potential crashes. Monitoring logs for application crashes related to iccDEV components can provide early detection of exploitation attempts. Finally, maintain an up-to-date inventory of software dependencies to ensure timely patching of iccDEV and related libraries.

Description

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to version 2.3.1.6, there is an Undefined Behavior (UB) condition in the XML conversion tooling path (iccToXml) caused by an implicit conversion from a negative signed integer to icUInt32Number (unsigned 32-bit), which changes the value. This issue has been patched in version 2.3.1.6.

References

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