Security readout for executives and security teams
Plain-English summary
iccDEV, a library for handling ICC color profiles, has a high-severity memory corruption flaw in versions 2.3.1.1 and earlier. If an affected application processes a malicious color profile or similar binary data, an attacker could crash it or potentially run code. The vendor advisory says the issue is fixed in 2.3.1.2.
Executive priority
Prioritize remediation for externally exposed or high-volume content-processing systems. The issue has high potential impact, but current sources do not show known active exploitation. Treat this as a timely patching and dependency-discovery task, especially for media, print, design, imaging, or document-processing environments.
Technical view
CVE-2026-24406 is a heap buffer overflow in CIccTagNamedColor2::SetSize(), tied to unsafe handling of user-controllable input in ICC profile data or structured binary blobs. The CVSS 3.1 score is 8.8 with network attack vector, low complexity, no privileges, and required user interaction. Affected versions are iccDEV below 2.3.1.2.
Likely exposure
Exposure is most likely in products, services, or internal tools that embed iccDEV and parse ICC profiles from users, files, uploads, images, PDFs, print workflows, or other binary content. Systems not using iccDEV, or not processing untrusted ICC/profile-like input, are less likely exposed.
Exploitation context
The sources do not indicate active exploitation, and the CVE is not marked in KEV. Exploitation appears to require a victim application or workflow to process attacker-controlled profile data. Potential impact includes denial of service, data manipulation, application logic bypass, and code execution per the advisory.
Researcher notes
Key facts come from the GitHub advisory, issue, and fix commit. The vulnerability is categorized as CWE-122 and CWE-20. Validation should focus on reachability: whether attacker-controlled ICC or structured binary data can reach CIccTagNamedColor2::SetSize() in the affected library version.
Mitigation direction
- Upgrade iccDEV to version 2.3.1.2 or later.
- Identify applications and third-party products that bundle or statically link iccDEV.
- Limit processing of untrusted ICC profiles until upgraded.
- Monitor the GitHub advisory and vendor project for additional guidance.
Validation and detection
- Check SBOMs and dependency inventories for iccDEV versions below 2.3.1.2.
- Ask vendors whether their products embed affected iccDEV code.
- Review workflows that accept uploaded images, profiles, PDFs, or print assets.
- Confirm deployed builds include the vendor fix commit or release 2.3.1.2.
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-122: 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 lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-24406 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
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-h9h3-45cm-j95fCVE reference · x_refsource_CONFIRM
- https://github.com/InternationalColorConsortium/iccDEV/issues/480CVE reference · x_refsource_MISC
- https://github.com/InternationalColorConsortium/iccDEV/commit/90c71cba2c563b1f5dc84197f827540d1baaea67CVE 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.
Heap-based Buffer Overflow
Heap-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
Improper Input Validation
Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.