In KDE Skanpage before 25.08.0, an attempt at file overwrite can result in the contents of the new file at the beginning followed by the partial contents of the old file at the end, because of use of QIODevice::ReadWrite instead of QODevice::WriteOnly.
Exploitability
AV:LAC:HPR:NUI:NScope
S:CImpact
C:LI:NA:N3.2/CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:NOther