CVE-2026-101201
QBinaryJson::fromBinaryData() integer overflow leading to OOB read
- State
- Published
- Severity
- 4.3 Medium
- Published
- Oct 20, 2026
- Updated
- Oct 20, 2026
- Reserved
- Sep 28, 2026
Description
A malformed header in the binary file fed to QBinaryJson::fromBinaryData() can cause undefined behaviour because of out-of-bounds read.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.3 Medium | CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/R:U/RE:L/U:Amber | Qt |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
qtqt |
|
References
- Qt Wiki: List of known vulnerabilities in Qt productsvendor-advisory
- dev patch 1patch
- dev patch 2patch
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