CVE-2023-43114
Last modified
CVE-2023-43114 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. An issue was discovered in Qt before 5.15.16, 6.x before 6.2.10, and 6.3.x through 6.5.x before 6.5.3 on Windows. When using the GDI font engine, if a corrupted font is loaded via QFontDatabase::addApplicationFont{FromData], then it can cause the application to crash because of missing length checks.. EPSS estimates a 0.25% chance of exploitation in the next 30 days.
Description
An issue was discovered in Qt before 5.15.16, 6.x before 6.2.10, and 6.3.x through 6.5.x before 6.5.3 on Windows. When using the GDI font engine, if a corrupted font is loaded via QFontDatabase::addApplicationFont{FromData], then it can cause the application to crash because of missing length checks.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Qt | Qt | < 5.15.16 |
| Qt | Qt | >= 6.0.0, < 6.2.10 |
| Qt | Qt | >= 6.5.0, < 6.5.3 |
References
- https://codereview.qt-project.org/c/qt/qtbase/+/503026Patch, Vendor Advisory
- https://codereview.qt-project.org/c/qt/qtbase/+/503026Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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