Ubuntu
Operating SystemsDebian-based Linux distribution widely used in cloud, servers, and desktops.
ubuntu.com30-day hazard rating
Calm1.6 / 10
- Incidents (30d)
- 2
- Severity-weighted volume
- 1.0
- Critical / high (clustered)
- 0 / 0
- Avg time to resolve
- n/a
Volume of incidents (weighted by severity) over the last 30 days, raised when fixes are slow. 1 = calm, 10 = constant breakage.
- Incidents, 30 days
- 2
- Reports, 30 days
- 2
- Active advisories
- 2
- Regression lifespan
- n/a
- nothing resolved yet
Incidents per day, last 30 days
View as table
| Date | Incidents | Reports |
|---|---|---|
| 2026-11-07 | 0 | 0 |
| 2026-11-06 | 0 | 0 |
| 2026-11-05 | 1 | 1 |
| 2026-11-04 | 1 | 1 |
| 2026-11-03 | 0 | 0 |
| 2026-11-02 | 0 | 0 |
| 2026-11-01 | 0 | 0 |
| 2026-10-31 | 0 | 0 |
| 2026-10-30 | 0 | 0 |
| 2026-10-29 | 0 | 0 |
| 2026-10-28 | 0 | 0 |
| 2026-10-27 | 0 | 0 |
| 2026-10-26 | 0 | 0 |
| 2026-10-25 | 0 | 0 |
| 2026-10-24 | 0 | 0 |
| 2026-10-23 | 0 | 0 |
| 2026-10-22 | 0 | 0 |
| 2026-10-21 | 0 | 0 |
| 2026-10-20 | 0 | 0 |
| 2026-10-19 | 0 | 0 |
| 2026-10-18 | 0 | 0 |
| 2026-10-17 | 0 | 0 |
| 2026-10-16 | 0 | 0 |
| 2026-10-15 | 0 | 0 |
| 2026-10-14 | 0 | 0 |
| 2026-10-13 | 0 | 0 |
| 2026-10-12 | 0 | 0 |
| 2026-10-11 | 0 | 0 |
| 2026-10-10 | 0 | 0 |
| 2026-10-09 | 0 | 0 |
Active advisories
- minorInvestigating
nginx CVE-2026-42533 - Remote Crash Vulnerability
A remote attacker could use a vulnerability in nginx to crash the server. This update fixes the issue for Ubuntu 20.04 LTS, Ubuntu 18.04 LTS, Ubuntu 16.04 LTS, and Ubuntu 14.04 LTS.
Ubuntu2 days agovUbuntu 20.04 LTS, Ubuntu 18.04 LTS, Ubuntu 16.04 LTS, and Ubuntu 14.04 LTS
Velocity1.9 - minorInvestigating
Ubuntu unattended-upgrades installs HAProxy version with a major regression
The Ubuntu update mechanism installed an older version of HAProxy (v2.1.17) instead of the latest stable version, causing a regression that broke SSL termination and other features.
Ubuntu3 days ago
Velocity1.6
Version hazard notices
- Use with caution:
Ubuntu Ubuntu 20.04 LTS, Ubuntu 18.04 LTS, Ubuntu 16.04 LTS, and Ubuntu 14.04 LTS1 active minor-severity incident- minorInvestigatingnginx CVE-2026-42533 - Remote Crash Vulnerability
Resolved incident history
No resolved incidents on record yet.