Canonical Ubuntu Linux vulnerabilities

CVEs per yearBy the year they were published

1. 202612
2. 20261

Newest CVEs

• CVE-2026-47337

  NULL pointer dereference in Ubuntu Linux AppArmor IPv4/IPv6 socket mediation

  Canonical · Ubuntu Linux

  Low3.3
• CVE-2026-47336

  Use of uninitialized value in Ubuntu Linux AppArmor IPv4/IPv6 socket mediation rules

  Canonical · Ubuntu Linux

  Low3.3
• CVE-2026-47335

  NULL pointer dereference in Ubuntu Linux AppArmor notification handling

  Canonical · Ubuntu Linux

  Medium5.5
• CVE-2026-47334

  Deadlock or kernel panic in Ubuntu Linux AppArmor notification handling

  Canonical · Ubuntu Linux

  Medium5.5
• CVE-2026-47333

  Out-of-bounds read in Ubuntu Linux AppArmor notification handling

  Canonical · Ubuntu Linux

  High7.8
• CVE-2026-47332

  Out-of-bounds read in Ubuntu Linux AppArmor notification handling

  Canonical · Ubuntu Linux

  Medium5.5
• CVE-2026-47331

  Use-after-free in Ubuntu Linux AppArmor notification handling

  Canonical · Ubuntu Linux

  High7.8
• CVE-2026-47330

  Use of uninitialized value in Ubuntu Linux AppArmor notification handling

  Canonical · Ubuntu Linux

  Low3.3
• CVE-2026-47329

  Incorrect validation of field size in Ubuntu Linux AppArmor notification responses

  Canonical · Ubuntu Linux

  Low3.3
• CVE-2026-47328

  Invalid pointer deallocation in Ubuntu Linux AppArmor notification handling

  Canonical · Ubuntu Linux

  Medium6.1