The vulnerability of the `addApplicationFont{FromData}` function in the QFontDatabase class, a cross-platform framework for Qt software development, allows a attacker to cause a service failure.

The vulnerability of the addApplicationFontFromData function in the QFontDatabase class, a cross-platform framework for Qt software development, is related to improper cleaning or release of resources during font processing. Exploiting this vulnerability can allow an attacker to cause service...