Medium severity · published Sep 18, 2023
CVE-2023-43114
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
5.5
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 19% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
QT
QT · QT
before 5.15.16; 6.0.0 before 6.2.10; 6.5.0 before 6.5.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-43114
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-43114
Patch
https://codereview.qt-project.org/c/qt/qtbase/+/503026
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