CVE security advisories and vulnerability history for ubuntu linux by canonical.
4,193
Total CVEs
Published
47
In CISA KEV
Exploited in the wild
462
Public exploits
PoC or exploit code
6.8
Avg CVSS
2004–2026
Last updated
Overview
canonical ubuntu linux has 4,193 published CVE records since 2004, of which 47 are in CISA's Known Exploited Vulnerabilities catalog and 462 have a known public exploit. The average CVSS base score across scored CVEs is 6.8.
This page aggregates every publicly disclosed vulnerability (CVE) affecting canonical ubuntu linux, with a severity breakdown, the affected and patched versions, the most common weakness types, and the full CVE list. Affected platforms include azure.
Severity and exploitation
How the CVSS severity of canonical ubuntu linux's CVEs breaks down, plus how many are exploited in the wild or have public exploit code.
Critical577
High1,465
Medium1,933
Low218
In CISA’s Known Exploited Vulnerabilities catalog
47
47 of canonical ubuntu linux's CVEs are confirmed exploited in the wild.
Public exploits
462
462 of canonical ubuntu linux's CVEs have a known public exploit available.
Affected versions and CVEs
Browse every canonical ubuntu linux version named in a CVE, then pick one to see only the CVEs that affect it.
Specific versions
16.042 CVEs
12.041 CVE
14.041 CVE
15.101 CVE
Version ranges
16.04 <= v <= 16.042,252 CVEs
14.04 <= v <= 14.042,172 CVEs
18.04 <= v <= 18.041,836 CVEs
12.04 <= v <= 12.041,427 CVEs
10.04 <= v <= 10.04514 CVEs
17.10 <= v <= 17.10494 CVEs
20.04 <= v <= 20.04460 CVEs
Common weakness types
The CWE weakness categories most often found in canonical ubuntu linux CVEs. Follow any weakness for its full explanation.
Common questions about canonical ubuntu linux vulnerabilities.
How many CVEs does canonical ubuntu linux have?
canonical ubuntu linux has 4,193 published CVE records since 2004.
How many canonical ubuntu linux CVEs are in CISA KEV?
Yes — 47 of canonical ubuntu linux's CVEs are listed in CISA's Known Exploited Vulnerabilities catalog, confirmed exploited in the wild and carrying a CISA remediation deadline.
Are there public exploits for canonical ubuntu linux vulnerabilities?
Yes — 462 of canonical ubuntu linux's CVEs have a known public exploit.
Which versions of canonical ubuntu linux are affected?
76 distinct canonical ubuntu linux versions are named across its CVEs. Use the version filter above to see the CVEs affecting a specific version.
What are the most common weakness types in canonical ubuntu linux CVEs?
canonical ubuntu linux's CVEs most often map to these CWE weakness types: CWE-125 (Out-of-bounds Read), CWE-416 (Use After Free), CWE-400 (Uncontrolled Resource Consumption), CWE-20 (Improper Input Validation).
How many critical canonical ubuntu linux vulnerabilities are there?
canonical ubuntu linux has 577 critical and 1,465 high-severity CVEs.
What is the average severity of canonical ubuntu linux CVEs?
The average CVSS base score across canonical ubuntu linux's scored CVEs is 6.8.
