Null-pointer dereference in QTriangulator reachable through VectorImage
Summary
| CVE | CVE-2026-105923 |
|---|---|
| State | PUBLISHED |
| Assigner | Qt |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-10-21 10:16:54 UTC |
| Updated | 2026-10-22 15:37:23 UTC |
| Description | A malicious SVG can trigger an integer overflow which in turn triggers a null-pointer dereference in VectorImage QML Type. |
Risk And Classification
Primary CVSS: v4.0 4 MEDIUM from a59d8014-47c4-4630-ab43-e1b13cbe58e3
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:U/V:X/RE:L/U:Green
EPSS: 0.001200000 probability, percentile 0.017370000 (date 2026-10-22)
Problem Types: CWE-190 | CWE-476 | CWE-476 CWE-476 NULL Pointer Dereference | CWE-190 CWE-190 Integer Overflow or Wraparound
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | a59d8014-47c4-4630-ab43-e1b13cbe58e3 | Secondary | 4 | MEDIUM | CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/C... |
| 4.0 | CNA | CVSS | 4 | MEDIUM | CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/A... |
CVSS v4.0 Breakdown
Attack Vector
LocalAttack Complexity
LowAttack Requirements
NonePrivileges Required
NoneUser Interaction
ActiveConfidentiality
NoneIntegrity
NoneAvailability
HighSub Conf.
NoneSub Integrity
NoneSub Availability
NoneCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:U/V:X/RE:L/U:Green
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| codereview.qt-project.org/c/qt%2Fqtbase/+/762279 | a59d8014-47c4-4630-ab43-e1b13cbe58e3 | codereview.qt-project.org | |
| wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products | a59d8014-47c4-4630-ab43-e1b13cbe58e3 | wiki.qt.io | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.