CVE-2026-21495: InternationalColorConsortium iccDEV · Improper Input Validation
Affects InternationalColorConsortium iccDEVSource CVE Database V5
Not known to be exploited · CVSS 5.5 Medium : upgrade to 2.3.1.2 when convenient.
Data as of 26 Oct 2026, 08:30 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 2.3.1.2
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 7 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 2.3.1.2.
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
To mitigate CVE-2026-21495, European organizations should take the following specific actions: 1) Upgrade all instances of iccDEV to version 2.3.1.2 or later, where the vulnerability is patched. 2) Implement strict file validation and filtering controls to block or quarantine untrusted TIFF files before processing, especially in user-facing applications. 3) Educate users about the risks of opening unsolicited or suspicious TIFF images, particularly from unknown sources. 4) Employ application whitelisting and sandboxing techniques for software that processes ICC profiles to contain potential crashes and prevent broader system impact. 5) Monitor logs and application behavior for crashes or anomalies related to TIFF image processing to detect potential exploitation attempts early. 6) Coordinate with software vendors and update related image processing tools that may embed or rely on iccDEV to ensure they incorporate the patched library version. These targeted measures go beyond generic advice by focusing on controlling the attack vector (malicious TIFF files) and ensuring rapid patch deployment.
Description
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of ICC color management profiles. Prior to version 2.3.1.2, iccDEV is vulnerable to division by zero in the TIFF Image Reader. This issue has been patched in version 2.3.1.2.