Security readout for executives and security teams
Plain-English summary
CVE-2026-21485 affects iccDEV, a library/toolset for ICC color profile handling. Versions before 2.3.1.2 can hit undefined behavior and out-of-memory conditions when loading profile tags. The published CVSS score is high, with potential confidentiality, integrity, and availability impact, but user interaction is required.
Executive priority
Prioritize remediation for systems that process externally supplied color profiles. Treat as high priority in media, print, imaging, or file-processing workflows using iccDEV. No public exploitation is confirmed in the provided sources.
Technical view
The issue is in CIccProfile::LoadTag() in iccDEV <=2.3.1.1. The CVE maps to multiple memory-safety and input-validation CWEs, including out-of-bounds read/write, integer overflow, null pointer dereference, and uncontrolled resource consumption. The advisory states the issue is fixed in 2.3.1.2.
Likely exposure
Exposure is most likely where applications, services, or tools use iccDEV <=2.3.1.1 to process ICC color management profiles from users, partners, or other untrusted sources.
Exploitation context
The CVSS vector indicates network attack vector, low complexity, no privileges required, and required user interaction. Sources do not state active exploitation, and this CVE is not listed as KEV in the provided bundle.
Researcher notes
Public details identify the affected function and broad memory/input-validation weakness classes, but do not provide operational exploit evidence. Analysis should focus on version exposure, untrusted profile ingestion, and whether downstream products embed iccDEV.
Mitigation direction
- Upgrade iccDEV to version 2.3.1.2 or later.
- Inventory applications and pipelines that bundle or link iccDEV.
- Limit processing of untrusted ICC profiles until upgraded.
- Check the GitHub advisory for any updated vendor guidance.
Validation and detection
- Confirm deployed iccDEV versions are 2.3.1.2 or later.
- Review SBOMs, build manifests, and package locks for iccDEV references.
- Identify code paths that call ICC profile loading functions.
- Verify vendor fix commit is present in source builds.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-125: Exact CWE lookup
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Open ATT&CK lookupCWE-1284: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCWE-190: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCWE-20: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCWE-400: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCWE-476: Exact CWE lookup
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Open ATT&CK lookup- Severity
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-chp2-4gv5-2432CVE reference · x_refsource_CONFIRM
- https://github.com/InternationalColorConsortium/iccDEV/issues/340CVE reference · x_refsource_MISC
- https://github.com/InternationalColorConsortium/iccDEV/commit/c136aac51d25cbb4d9db63f071edad4f088843dfCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.