USN-8779-2: Bubblewrap regression | Ubuntu security notices
USN-8779-1 fixed vulnerabilities in Bubblewrap. Unfortunately, the fix forCVE-2026-87766 introduced a regression in symlink resolution, preventingcertain Flatpak applications from launching. This update reverts that fixuntil a complete fix is available. We apologize for the inconvenience. Original advisory details: It was discovered that Bubblewrap incorrectly handled certain temporarydirectories. A local attacker could possibly use this issue…