Netbackup Appliance Os 5.x — End of Life
ActiveNetbackup Appliance Os 5.x is partially supported: only 5.5, 5.3 still receive security fixes. The most recent release in this series is 5.5.0.1 MR2. No CVE is currently tracked for Netbackup Appliance Os 5.x. The next major version is Netbackup Appliance Os 6. See Netbackup Appliance Os 6 →
Netbackup Appliance Os 5.x — All releases
| Version | Released | Active support | EOL date | Latest patch | Status | Alert me |
|---|---|---|---|---|---|---|
| 5.5 | Jul 31, 2025 | — | No | 5.5.0.1 MR2 | Active | |
| 5.3 | Nov 27, 2023 | — | No | 5.3.0.1 MR5 | Active | |
| 5.1 | Feb 8, 2023 | — | Sep 8, 2025 | 5.1.1 MR5 | EOL | |
| 5.0 | Apr 25, 2022 | — | Mar 28, 2025 | 5.0.0.1 MR5 | EOL |
CVEs affecting Netbackup Appliance Os 5.x (0)
Netbackup Appliance Os 5.x will reach end of life — migrate to Netbackup Appliance Os 6.x
Netbackup Appliance Os 6.x is the next major release. Plan your upgrade before Netbackup Appliance Os 5.x stops receiving security patches.
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[](https://eolcanary.com/explore/netbackup-appliance-os/5)Frequently asked questions
Is Netbackup Appliance Os 5 end of life?
Partially. 2 of the 4 Netbackup Appliance Os 5.x releases have reached end of life. Still supported: 5.5, 5.3.
What CVEs affect Netbackup Appliance Os 5?
No CVEs are currently tracked for Netbackup Appliance Os 5.x in the NVD data we monitor.
What is the latest Netbackup Appliance Os 5 version?
The latest Netbackup Appliance Os 5.x patch release is 5.5.0.1 MR2, released on June 8, 2026. Always run the latest patch to benefit from all security fixes.
How to migrate from Netbackup Appliance Os 5 to Netbackup Appliance Os 6?
To migrate from Netbackup Appliance Os 5 to Netbackup Appliance Os 6: (1) review the official Netbackup Appliance Os 6 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 Netbackup Appliance Os 5 in production?
Only on a supported release (5.5, 5.3). Make sure you run the latest patch (5.5.0.1 MR2) to have all security fixes applied.
Data sourced from endoflife.date · CVE data from NVD · EPSS from FIRST.org · KEV from CISA