The short answer
- mongo:8.0 is 174 MB smaller unpacked on amd64 (946 MB vs 1,120 MB, 16% less).
- As a download, mongo:8.0 is 316 MB compressed against 386 MB for mongo:9.0: 1.2× less to pull.
- mongo:8.0 has fewer known vulnerabilities: 107 (29 critical or high) against 131 (29 critical or high) in mongo:9.0.
- 68 of mongo:8.0's 107 findings have a fixed version available upstream.
- 68 of mongo:9.0's 131 findings have a fixed version available upstream.
- Base OS: mongo:8.0 is built on Ubuntu 24.04; mongo:9.0 on Ubuntu 26.04.
- Packages detected: 352 in mongo:8.0, 366 in mongo:9.0.
- Filesystem layers: 8 vs 9.
| mongo:8.0 | mongo:9.0 | |
|---|---|---|
| Download, amd64 | 316 MB | 386 MB |
| Unpacked, amd64 | 946 MB | 1,120 MB |
| Download, arm64 | 303 MB | 369 MB |
| Base OS | Ubuntu 24.04 | Ubuntu 26.04 |
| Layers | 8 | 9 |
| Packages | 352 | 366 |
| Files | 3,441 | 5,260 |
| Known vulnerabilities | C 1H 28M 67L 7? 4 | C 1H 28M 91L 7? 4 |
| Default user | root | root |
| Platforms | 2 | 2 |
| Last pushed | 5 days ago | 5 days ago |
Size
Compressed (download)Unpacked (on disk)
Vulnerabilities
CriticalHighMediumLowUnknown
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Highlighted cells are lower (smaller or fewer). Sizes from Docker Hub checked 2026-11-01; measurements and SBOMs from 2026-10-31 and 2026-10-31; vulnerability database 2026-11-01. Methodology.