Canonical
8,526 CVEs across 231 months on the top 200 list since Nov 2004. Peak rank #1 in Sep 2010. 59 of them are now in CISA KEV.
Canonical CVEs per month since Nov 2004
Sep 2021: 4 CVEs · 0 critical · 2 now in CISA KEV · rank #105 · mostly UbuntuOct 2021: 17 CVEs · 0 critical · 0 now in CISA KEV · rank #36 · mostly Ubuntu, Apport, MultipassNov 2021: 11 CVEs · 0 critical · 0 now in CISA KEV · rank #50 · mostly Ubuntu, Accountsservice, Ubuntu LinuxDec 2021: 9 CVEs · 0 critical · 0 now in CISA KEV · rank #55 · mostly Ubuntu, Ubuntu LinuxJan 2022: 19 CVEs · 5 critical · 2 now in CISA KEV · rank #44 · mostly Ubuntu, Ubuntu LinuxFeb 2022: 18 CVEs · 0 critical · 1 now in CISA KEV · rank #44 · mostly Ubuntu Linux, Ubuntu, SnapdMar 2022: 45 CVEs · 5 critical · 2 now in CISA KEV · rank #21 · mostly Ubuntu, Ubuntu LinuxApr 2022: 15 CVEs · 4 critical · 0 now in CISA KEV · rank #48 · mostly UbuntuMay 2022: 17 CVEs · 1 critical · 0 now in CISA KEV · rank #46 · mostly Ubuntu, Ubuntu LinuxJun 2022: 12 CVEs · 0 critical · 0 now in CISA KEV · rank #55 · mostly UbuntuJul 2022: 15 CVEs · 0 critical · 0 now in CISA KEV · rank #44 · mostly Ubuntu, Ubuntu LinuxAug 2022: 29 CVEs · 0 critical · 0 now in CISA KEV · rank #25 · mostly Ubuntu, Ubuntu LinuxSep 2022: 26 CVEs · 0 critical · 0 now in CISA KEV · rank #34 · mostly Ubuntu, Ubuntu LinuxOct 2022: 22 CVEs · 2 critical · 0 now in CISA KEV · rank #40 · mostly Ubuntu, Ubuntu LinuxNov 2022: 28 CVEs · 0 critical · 0 now in CISA KEV · rank #27 · mostly UbuntuDec 2022: 54 CVEs · 6 critical · 0 now in CISA KEV · rank #17 · mostly UbuntuJan 2023: 7 CVEs · 4 critical · 0 now in CISA KEV · rank #77 · mostly UbuntuFeb 2023: 13 CVEs · 2 critical · 0 now in CISA KEV · rank #52 · mostly UbuntuMar 2023: not on the top 200 that monthApr 2023: 12 CVEs · 1 critical · 0 now in CISA KEV · rank #57 · mostly Ubuntu, Ubuntu Linux, Cloud-initMay 2023: 29 CVEs · 1 critical · 0 now in CISA KEV · rank #26 · mostly Ubuntu, Ubuntu Linux, Ubuntu-linuxJun 2023: 40 CVEs · 1 critical · 0 now in CISA KEV · rank #15 · mostly Ubuntu, Landscape, Ubuntu LinuxJul 2023: 33 CVEs · 2 critical · 0 now in CISA KEV · rank #26 · mostly Ubuntu, Ubuntu Linux, Ubuntu KernelAug 2023: 25 CVEs · 6 critical · 1 now in CISA KEV · rank #36 · mostly Ubuntu, Ubuntu LinuxSep 2023: 28 CVEs · 3 critical · 1 now in CISA KEV · rank #32 · mostly Ubuntu, Ubuntu Linux, AccountsserviceOct 2023: 29 CVEs · 3 critical · 2 now in CISA KEV · rank #29 · mostly Ubuntu, Subiquity, Ubuntu LinuxNov 2023: 12 CVEs · 0 critical · 0 now in CISA KEV · rank #54 · mostly UbuntuDec 2023: 9 CVEs · 1 critical · 0 now in CISA KEV · rank #72 · mostly Ubuntu, Ubuntu Linux, Ubuntu ServerJan 2024: 15 CVEs · 0 critical · 1 now in CISA KEV · rank #61 · mostly Ubuntu, Ubuntu Linux, SnapdFeb 2024: 76 CVEs · 0 critical · 0 now in CISA KEV · rank #11 · mostly Ubuntu, Lxd, Ubuntu Edk IiMar 2024: 90 CVEs · 2 critical · 0 now in CISA KEV · rank #9 · mostly UbuntuApr 2024: 113 CVEs · 2 critical · 0 now in CISA KEV · rank #10 · mostly Ubuntu, PebbleMay 2024: 498 CVEs · 3 critical · 0 now in CISA KEV · rank #5 · mostly Ubuntu, SnapdJun 2024: 94 CVEs · 4 critical · 1 now in CISA KEV · rank #9 · mostly Ubuntu, Ubuntu Linux, ApportJul 2024: 179 CVEs · 1 critical · 0 now in CISA KEV · rank #7 · mostly Ubuntu, Snapd, SnapAug 2024: 146 CVEs · 2 critical · 0 now in CISA KEV · rank #6 · mostly Ubuntu, Wpa_supplicantSep 2024: 130 CVEs · 0 critical · 0 now in CISA KEV · rank #7 · mostly Ubuntu, Anbox CloudOct 2024: 234 CVEs · 0 critical · 0 now in CISA KEV · rank #6 · mostly Ubuntu, Juju, AuthdNov 2024: 165 CVEs · 2 critical · 2 now in CISA KEV · rank #6 · mostly Ubuntu, Ubuntu's PulseaudioDec 2024: 206 CVEs · 2 critical · 0 now in CISA KEV · rank #6 · mostly Ubuntu, LxdJan 2025: 134 CVEs · 4 critical · 0 now in CISA KEV · rank #7 · mostly Ubuntu, Apport, Ubuntu LinuxFeb 2025: 323 CVEs · 4 critical · 0 now in CISA KEV · rank #3 · mostly Ubuntu, Ubuntu LinuxMar 2025: 80 CVEs · 2 critical · 0 now in CISA KEV · rank #12 · mostly Ubuntu, Accountsservice, Linux-bluefieldApr 2025: 95 CVEs · 0 critical · 0 now in CISA KEV · rank #10 · mostly Ubuntu, Mysql-k8s-operator, Ubuntu LinuxMay 2025: 217 CVEs · 0 critical · 0 now in CISA KEV · rank #8 · mostly Ubuntu, Ubuntu Linux, ApportJun 2025: 145 CVEs · 3 critical · 1 now in CISA KEV · rank #7 · mostly Ubuntu, Cloud-init, AuthdJul 2025: 118 CVEs · 2 critical · 0 now in CISA KEV · rank #12 · mostly Ubuntu, Juju, Juju\/utilsAug 2025: 72 CVEs · 1 critical · 0 now in CISA KEV · rank #14 · mostly UbuntuSep 2025: 198 CVEs · 1 critical · 0 now in CISA KEV · rank #5 · mostly UbuntuOct 2025: 201 CVEs · 0 critical · 0 now in CISA KEV · rank #4 · mostly Ubuntu, LxdNov 2025: 34 CVEs · 2 critical · 0 now in CISA KEV · rank #17 · mostly UbuntuDec 2025: 142 CVEs · 1 critical · 0 now in CISA KEV · rank #5 · mostly Ubuntu, Apport, MaasJan 2026: 77 CVEs · 2 critical · 0 now in CISA KEV · rank #9 · mostly Ubuntu, JujuFeb 2026: not on the top 200 that monthMar 2026: 16 CVEs · 0 critical · 0 now in CISA KEV · rank #71 · mostly Ubuntu, Juju, Ubuntu LinuxApr 2026: 18 CVEs · 7 critical · 1 now in CISA KEV · rank #51 · mostly Ubuntu, Juju, LxdMay 2026: 34 CVEs · 5 critical · 0 now in CISA KEV · rank #34 · mostly Ubuntu, Ubuntu Linux, MultipassJun 2026: 9 CVEs · 1 critical · 0 now in CISA KEV · rank #151 · mostly Lxd, Ubuntu, Ubuntu 20.04 LtsJul 2026: 7 CVEs · 1 critical · 0 now in CISA KEV · rank #183 · mostly Ubuntu 22.04 Lts, Ubuntu 24.04 Lts, Ubuntu 26.04 LtsAug 2026: 15 CVEs · 10 critical · 0 now in CISA KEV · rank #102 · mostly Lxd, Accountsservice, Apport
In the lens
The products that kept showing up in Canonical's monthly top three from Sep 2021 to Aug 2026. Move the lens and the list follows.
Year by year
Each year's months on the top 200 list. Pick a year to read it in the lens.
The record
- Peak rank
- #1 in Sep 2010
- Busiest month
- May 2024, 498 CVEs
- Months with a KEV entry
- 44 of 231 on the list
- On the top 200 list
- 231 of 262 monthly snapshots