Security readout for executives and security teams
Plain-English summary
A specially crafted ICC color profile can make affected Qt applications or related components unavailable. The issue is low severity because exploitation is complex, requires a person to process the profile, and affects availability rather than data confidentiality or integrity.
Executive priority
Treat this as routine, targeted remediation rather than an emergency. Prioritize internet-facing or document-processing applications that accept untrusted ICC profiles, then address other affected Qt deployments through normal patch cycles.
Technical view
CVE-2025-5992 is an input-validation flaw in QColorTransferGenericFunction. Out-of-range values, including those supplied through QColorSpace::fromICCProfile, can cause denial of service. Qt 6.6.0–6.8.3 and 6.9.0–6.9.1 are affected. CVSS 4.0 is 2.3; CWE-20 applies.
Likely exposure
Exposure is most plausible in Qt applications that accept or process ICC profiles from untrusted or externally supplied content. Actual organizational exposure depends on deployed Qt versions and whether relevant profile-processing paths are reachable.
Exploitation context
The supplied sources do not report active exploitation, and the CVE is not listed as KEV. The CVSS vector indicates network reachability, high attack complexity, passive user interaction, and low availability impact without confidentiality or integrity impact.
Researcher notes
The stated vulnerable path converts ICC profile data through QColorSpace::fromICCProfile into QColorTransferGenericFunction. Evidence supports denial of service from range-validation failure only. The bundle does not establish code execution, data compromise, public exploit availability, or exploitation in the wild.
Mitigation direction
- Upgrade Qt 6.6.0–6.8.3 deployments to 6.8.4 or a later fixed release.
- Upgrade Qt 6.9.0–6.9.1 deployments to 6.9.2 or a later fixed release.
- Restrict processing of untrusted ICC profiles until affected components are updated.
- Check Qt vendor guidance when upgrading is not immediately feasible.
Validation and detection
- Inventory applications and dependencies containing Qt 6.6.0 through 6.9.1.
- Confirm whether applications import ICC profiles through Qt color-space functionality.
- Identify externally supplied files or content that can introduce ICC profiles.
- Verify deployed Qt versions are 6.8.4, 6.9.2, or later.
- Regression-test legitimate ICC profile handling after updating Qt.
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-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 lookupCVE-2025-5992 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
- Low
- CVSS
- 2.3 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L
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.
SSVC decision data
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:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L——TQtCVulnerability scoring details
Base CVSS 4.0 score
2.3LowVector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://codereview.qt-project.org/c/qt/qtbase/+/647919CVE reference, TQtC
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.
Improper Input Validation
Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.