Security readout for executives and security teams
Plain-English summary
CVE-2026-24403 affects iccDEV, a library/toolset for ICC color profiles. A malicious or malformed color profile can trigger integer overflow during header validation, causing crashes or possible memory corruption. The vendor indicates versions 2.3.1.1 and below are affected and version 2.3.1.2 fixes it.
Executive priority
Treat as a high-priority patching item for systems that process external images, documents, print assets, or color profiles. Business risk is mainly service disruption, with potential integrity impact and possible code execution noted by the advisory.
Technical view
The flaw is an integer overflow in CIccProfile::CheckHeader(), tied to unsafe handling of user-controllable profile data such as tag tables, offsets, and size fields. Reported impacts include parsing errors, memory corruption, denial of service, possible arbitrary code execution, or logic bypass. CVSS is 7.1: network attack vector, low complexity, no privileges, user interaction required.
Likely exposure
Exposure is most likely where iccDEV is used directly or embedded in applications that parse ICC profiles from users, files, documents, images, print workflows, or external systems. Organizations may be exposed through bundled copies, not only standalone installations.
Exploitation context
The CVSS vector indicates exploitation requires user interaction, likely by causing a vulnerable application to process a crafted ICC profile. The source bundle does not indicate known active exploitation, and it is not listed as KEV.
Researcher notes
Evidence is limited to the CVE record, GitHub advisory, issue, and fixing commit. Avoid assuming exploit availability or affected downstream products without confirmation. Focus validation on reachability of ICC profile parsing and whether CIccProfile::CheckHeader() exists in the deployed version.
Mitigation direction
- Upgrade iccDEV to version 2.3.1.2 or later.
- Inventory applications and build dependencies for embedded iccDEV versions below 2.3.1.2.
- Check vendor or downstream maintainer guidance for packaged or bundled copies.
- Limit processing of untrusted ICC profiles where operationally feasible until updated.
Validation and detection
- Confirm installed or bundled iccDEV version is 2.3.1.2 or later.
- Review software bills of materials and dependency manifests for iccDEV.
- Verify downstream products using iccDEV have shipped an updated build.
- Prioritize systems that accept ICC profiles from users or external sources.
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
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ATT&CK lookup starting points
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CWE-190: Exact CWE lookup
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Open ATT&CK lookupCWE-20: Exact CWE lookup
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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-2026-24403 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
- 7.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/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:N/I:L/A:H2.84.2Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.1HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-ph33-qp8j-5q34CVE reference · x_refsource_CONFIRM
- https://github.com/InternationalColorConsortium/iccDEV/issues/505CVE reference · x_refsource_MISC
- https://github.com/InternationalColorConsortium/iccDEV/commits/d993997005449a0a6958e65b057bd25e17dff89CVE 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.
Integer Overflow or Wraparound
Integer Overflow or Wraparound 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.