Ubuntu 13.x — End of Life
EOL Actively exploitedUbuntu 13.x — All releases
| Version | Released | Active support | EOL date | Latest patch | Status |
|---|---|---|---|---|---|
| 13.10 | Oct 17, 2013 | Jul 17, 2014 | Jul 17, 2014 | 13.10 | EOL |
| 13.04 | Apr 25, 2013 | Jan 27, 2014 | Jan 27, 2014 | 13.04 | EOL |
CVEs affecting Ubuntu 13.x (4)
| CVE | Severity | CVSS | EPSS | KEV | Cycle | Description | Published |
|---|---|---|---|---|---|---|---|
| CVE-2026-31431 | HIGH | 7.8 | 96.27% | KEV | 13.04 | In the Linux kernel, the following vulnerability has been resolved: crypto: algif_aead - Revert to operating out-of-pla… | Apr 22, 2026 |
| CVE-2026-31431 | HIGH | 7.8 | 96.27% | KEV | 13.10 | In the Linux kernel, the following vulnerability has been resolved: crypto: algif_aead - Revert to operating out-of-pla… | Apr 22, 2026 |
| CVE-2013-2566 | MEDIUM | 5.9 | 84.42% | — | 13.04 | The RC4 algorithm, as used in the TLS protocol and SSL protocol, has many single-byte biases, which makes it easier for … | Mar 15, 2013 |
| CVE-2013-2566 | MEDIUM | 5.9 | 84.42% | — | 13.10 | The RC4 algorithm, as used in the TLS protocol and SSL protocol, has many single-byte biases, which makes it easier for … | Mar 15, 2013 |
Ubuntu 13.x is EOL — migrate to Ubuntu 14.x
Ubuntu 14.x is the next major release. Plan your upgrade before Ubuntu 13.x stops receiving security patches.
Frequently asked questions
Is Ubuntu 13 end of life?
Yes. All Ubuntu 13.x releases have reached end of life and no longer receive security patches. There are 4 known CVEs affecting Ubuntu 13.x. Migrate to Ubuntu 14.x as soon as possible.
What CVEs affect Ubuntu 13?
There are 4 CVEs tracked for Ubuntu 13.x and 2 listed in the CISA Known Exploited Vulnerabilities catalog. See the full list above with CVSS and EPSS scores.
What is the latest Ubuntu 13 version?
The latest Ubuntu 13.x patch release is 13.10, released on October 17, 2013. Always run the latest patch to benefit from all security fixes.
How to migrate from Ubuntu 13 to Ubuntu 14?
To migrate from Ubuntu 13 to Ubuntu 14: (1) review the official Ubuntu 14 migration guide for breaking changes, (2) update dependencies and configuration accordingly, (3) test thoroughly in a staging environment, (4) deploy with a rollback plan. Starting early gives you time to resolve compatibility issues before your current version reaches end of life.
Is it safe to run Ubuntu 13 in production?
No. Ubuntu 13 has reached end of life and security vulnerabilities are no longer patched. Critically, 2 CVEs affecting Ubuntu 13.x are in the CISA KEV catalog — meaning they are actively exploited in the wild. Upgrade to a supported version immediately.
Data sourced from endoflife.date · CVE data from NVD · EPSS from FIRST.org · KEV from CISA