CVE-2026-105923— Null-pointer dereference in QTriangulator reachable through VectorImage
Quick assessment
Affected
qt Qt
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
恶意的 SVG 文件可能触发整数溢出，进而导致 VectorImage QML 类型中出现空指针解引用漏洞。
Possible ATT&CK Techniques 1 AI
T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2026-105923
Vulnerability Information
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Vulnerability Title
Null-pointer dereference in QTriangulator reachable through VectorImage
Source: CVE Program / CVE List V5
Vulnerability Description
A malicious SVG can trigger an integer overflow which in turn triggers a null-pointer dereference in VectorImage QML Type.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-105923
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-105923 (2)
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https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products vendor-advisory
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V. Comments for CVE-2026-105923
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