Canonical vulnerabilities

Records are attributed to Canonical from the vendor named in the source records. About the data.

CVE records per year

CVE records published per year for Canonical
CVE records published per year for CanonicalBar chart of CVE records attributed to Canonical per publication year, 2017 to 2026. 2026 is not finished.0204060802018: 3 CVE records2019: 2 CVE records2020: 35 CVE records2021: 22 CVE records2022: 4 CVE records2023: 14 CVE records2024: 34 CVE records2025: 27 CVE records2026: 73 CVE records (period not finished)732017201820192020202120222023202420252026
Show data as a table
YearCVE records
20170
20183
20192
202035
202122
20224
202314
202434
202527
202673

2026 is partial (through 28 Oct 2026), shown in a lighter bar.

Severity by publication year. "Critical or high" is the share of scored records; "Not scored" is the share of all records.
YearRecordsCriticalHighCritical or highNot scored
202673192154.8%0%
20252721148.1%0%
20243411547.1%0%
2023142442.9%0%
202240375%0%
20212201463.6%0%
2020350618.2%5.7%
201920150%0%
201830150%33.3%
2017000——
Before 20171

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

Highest exploit-prediction scores (EPSS)

EPSS estimates the probability that a vulnerability is exploited in the next 30 days. These are the 10 highest-scoring Canonical records today.

CVEEPSSPercentileSeverityIn KEV
CVE-2019-730460.8%99.1%HighNo
CVE-2018-423353.8%99%HighNo
CVE-2023-264015.2%96.7%HighNo
CVE-2023-326298.8%95.2%HighNo
CVE-2019-73033.7%89.7%MediumNo
CVE-2004-21542.1%81.4%CriticalNo
CVE-2019-73051.8%78.8%MediumNo
CVE-2019-73061.8%78.1%MediumNo
CVE-2023-15231.4%73.2%CriticalNo
CVE-2026-38881.4%72%HighNo

Source: FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.27, as of 27 Oct 2026. About the data.

Related vendors

Vendors named on the same CVE records as Canonical.

All vendors · KEV catalog overview