The short answer
- busybox:1.38-musl is 2.9 MB smaller unpacked on amd64 (1.8 MB vs 4.7 MB, 62% less).
- As a download, busybox:1.38-musl is 0.9 MB compressed against 2.2 MB for busybox:1.38-glibc: 2.5× less to pull.
- Both have the same number of known vulnerabilities (0).
- Packages detected: 0 in busybox:1.38-musl, 0 in busybox:1.38-glibc.
- Filesystem layers: 1 vs 1.
- Platforms: only busybox:1.38-musl ships arm/v6; only busybox:1.38-glibc ships arm/v5.
| busybox:1.38-musl | busybox:1.38-glibc | |
|---|---|---|
| Download, amd64 | 0.9 MB | 2.2 MB |
| Unpacked, amd64 | 1.8 MB | 4.7 MB |
| Download, arm64 | 0.9 MB | 1.9 MB |
| Base OS | No package manager (scratch/static) | No package manager (scratch/static) |
| Layers | 1 | 1 |
| Packages | 0 | 0 |
| Files | 6 | 16 |
| Known vulnerabilities | ✓ 0 known | ✓ 0 known |
| Default user | root | root |
| Platforms | 8 | 8 |
| Last pushed | 2 days ago | 39 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 2026-10-26 and 2026-10-26; vulnerability database 2026-11-01. Methodology.