Ubuntu
9,570 CVEs tracked. 71 of them are in CISA KEV.
This hub aggregates every CVE we track for Ubuntu, a product in the operating systems space. Use it to gauge the current risk picture and drill into individual advisories.
Ubuntu CVEs per month
| Month | CVEs |
|---|---|
| 2024-10 | 227 |
| 2024-11 | 165 |
| 2024-12 | 205 |
| 2025-01 | 129 |
| 2025-02 | 322 |
| 2025-03 | 82 |
| 2025-04 | 96 |
| 2025-05 | 255 |
| 2025-06 | 152 |
| 2025-07 | 113 |
| 2025-08 | 72 |
| 2025-09 | 279 |
| 2025-10 | 210 |
| 2025-11 | 35 |
| 2025-12 | 146 |
| 2026-01 | 96 |
| 2026-02 | 16 |
| 2026-03 | 44 |
| 2026-04 | 42 |
| 2026-05 | 32 |
| 2026-06 | 4 |
| 2026-07 | 7 |
| 2026-08 | 0 |
| 2026-09 | 0 |
Severity
How the 9,570 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.
- Critical882
- High3,715
- Medium4,645
- Low327
Latest CVEs
The 15 most recently published vulnerabilities affecting Ubuntu.
- CVE-2026-8933snap-confine Local Privilege Escalation via Capabilities Misconfiguration or Flaw in Execution Environment Setup7.8
- CVE-2026-15226snapd snap-confine Sandbox Confinement Bypass via Omission of setuid Restriction in Seccomp Templates8.4
- CVE-2024-5300AppArmor Base Profile Misconfiguration in snapd Permits Confined Snaps Unauthorized Access to Hashed Passwords via systemd-userdbd5.6
- CVE-2026-12391ubuntu-pro-client Local Privilege Escalation and Information Disclosure via Symlink Arbitrary File Read in collect-logs5.0
- CVE-2026-11386ubuntu-pro-client Input Validation Vulnerability Leading to Arbitrary APT Directive Injection and Remote Code Execution9.0
- CVE-2026-9494ubuntu-pro-client Information Disclosure via Cleartext Bearer Token Exposure in Process Command Line5.5
- CVE-2026-10037Sandbox Escape in Ubuntu OpenJDK Packages via xdg-desktop-portal8.8
- CVE-2026-12249Canonical ADSys Trust Store Poisoning via Plaintext HTTP Certificate Auto-Enrollment9.0
- CVE-2026-35058Improper validation of packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows authenticated attackers to trigger a fatal assertion and ...6.5
- CVE-2026-3238Samba: denial of service against ad dc wins server7.5
- CVE-2026-46243smb: client: reject userspace cifs.spnego descriptions7.1
- CVE-2026-47337NULL pointer dereference in Ubuntu Linux AppArmor IPv4/IPv6 socket mediation3.3
- CVE-2026-47336Use of uninitialized value in Ubuntu Linux AppArmor IPv4/IPv6 socket mediation rules3.3
- CVE-2026-47335NULL pointer dereference in Ubuntu Linux AppArmor notification handling5.5
- CVE-2026-47334Deadlock or kernel panic in Ubuntu Linux AppArmor notification handling5.5
Product grouping is registry-driven, with AI assist and human review. How it works