CVE-2026-96281 Flatpak: flatpak: unprivileged active user can bypass anti-downgrade checks for system apps/runtimes

On a multi-user system, a user with an active local login session could downgrade a system-wide Flatpak app to an older version by removing the app's remote ref via the unprivileged system-helper RemoveLocalRef method, causing the anti-downgrade check to fail to find a reference date. A malicious...

CVE-2023-49147

An issue was discovered in PDF24 Creator 11.14.0. The configuration of the msi installer file was found to produce a visible cmd.exe window when using the repair function of msiexec.exe. This allows an unprivileged local attacker to use a chain of actions e.g., an oplock on faxPrnInst.log to open...