CVE-2026-21675: InternationalColorConsortium iccDEV · Use After Free
Affects InternationalColorConsortium iccDEVSource CVE Database V5
Not known to be exploited · CVSS 9.8 Critical : upgrade to 2.3.1.1 as a priority.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 38% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 2.3.1.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 6 Jan 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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 26 Oct 2026.
What to do
Upgrade iccDEV and internationalcolorconsortium/iccDEV to 2.3.1.1.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| InternationalColorConsortiumiccDEV | Affected
| Fixed in
|
GitHubinternationalcolorconsortium/iccDEVpkg:github/internationalcolorconsortium/iccDEVOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Immediate upgrade to iccDEV version 2.3.1.1 or later is the primary mitigation step to eliminate the Use After Free vulnerability. Organizations should audit their software dependencies to identify usage of iccDEV and ensure all instances are updated. If upgrading is temporarily not feasible, applying runtime memory protection mechanisms such as Address Space Layout Randomization (ASLR) and Data Execution Prevention (DEP) can reduce exploitation risk. Additionally, validating and sanitizing ICC profiles before processing can help detect malformed inputs. Network-level protections, including restricting access to services that process ICC profiles and monitoring for anomalous activity related to image processing workflows, are recommended. Security teams should also monitor vulnerability advisories for any emerging exploit code and apply patches promptly. Incorporating iccDEV update checks into software supply chain management processes will help prevent future exposure.
Description
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1 and below contain a Use After Free vulnerability in the CIccXform::Create() function, where it deletes the hint. This issue is fixed in version 2.3.1.1.
References
- github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-wcwx-794g-g78f (opens in a new tab)
- github.com/InternationalColorConsortium/iccDEV/issues/182 (opens in a new tab)
- github.com/InternationalColorConsortium/iccDEV/commit/510baf58fa48e00ebbb5dd577f0db4af8876bb31 (opens in a new tab)