A malicious SVG can trigger an integer overflow which in turn triggers a null-pointer dereference in VectorImage QML Type.

Attack Vector Local

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Active

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
qt Qt unaffected
Version Status Constraints
6.8.0 affected < 6.8.9
6.9.0 affected < 6.11.3

No data.

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Project Subscriptions

Vendors Products
Qt Subscribe
Qt Subscribe
Qtbase Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://codereview.qt-project.org/c/qt%2Fqtbase/+/762279 cve-icon cve-icon
https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products cve-icon cve-icon
History

Wed, 21 Oct 2026 09:30:00 +0000

Type Values Removed Values Added
Description A malicious SVG can trigger an integer overflow which in turn triggers a null-pointer dereference in VectorImage QML Type.
Title Null-pointer dereference in QTriangulator reachable through VectorImage
First Time appeared Qt
Qt qt
Qt qtbase
Weaknesses CWE-190
CWE-476
CPEs cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*
cpe:2.3:a:qt:qtbase:*:*:*:*:*:*:*:*
Vendors & Products Qt
Qt qt
Qt qtbase
References
Metrics cvssV4_0

{'score': 4, 'vector': '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/AU:N/R:U/RE:L/U:Green'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Qt

Published:

Updated: 2026-10-21T09:21:05.197Z

Reserved: 2026-10-06T06:07:06.587Z

Link: CVE-2026-105923

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-21T10:16:54.917

Modified: 2026-10-21T10:16:54.917

Link: CVE-2026-105923

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-21T11:30:15Z

Weaknesses