Skip to contentCanonical Ubuntu 20.04 Lts vulnerabilities
- canonical ubuntu 16.04 lts, ubuntu 18.04 lts, ubuntu 20.04 lts +3 more +5 moresnapd snap-confine Sandbox Confinement Bypass via Omission of setuid Restriction in Seccomp TemplatesCVE-2026-15226Fix available8.4 High
- canonical ubuntu 16.04 lts, ubuntu 18.04 lts, ubuntu 20.04 lts +3 more +5 moreAppArmor Base Profile Misconfiguration in snapd Permits Confined Snaps Unauthorized Access to Hashed Passwords via systemd-userdbdCVE-2024-5300Fix available5.6 Medium
- canonical ubuntu 16.04 lts, ubuntu 18.04 lts, ubuntu 20.04 lts +4 more +6 moreubuntu-pro-client Local Privilege Escalation and Information Disclosure via Symlink Arbitrary File Read in collect-logsCVE-2026-12391Fix available5.0 Medium
- canonical ubuntu 14.04 lts, ubuntu 16.04 lts, ubuntu 18.04 lts +5 more +7 moreubuntu-pro-client Input Validation Vulnerability Leading to Arbitrary APT Directive Injection and Remote Code ExecutionCVE-2026-11386Fix available9.0 Critical
- canonical ubuntu 14.04 lts, ubuntu 16.04 lts, ubuntu 18.04 lts +5 more +7 moreubuntu-pro-client Information Disclosure via Cleartext Bearer Token Exposure in Process Command LineCVE-2026-9494Fix available5.5 Medium
- canonical ubuntu 20.04 lts, ubuntu 22.04 lts, ubuntu 24.04 lts +2 more +4 moreCanonical ADSys Trust Store Poisoning via Plaintext HTTP Certificate Auto-EnrollmentCVE-2026-12249Fix available9.0 Critical
- canonical ubuntu 16.04 lts, ubuntu 18.04 lts, ubuntu 20.04 lts +3 more +5 moreLocal Privilege Escalation in snapdCVE-2026-3888Public exploitFix available7.8 High