bufferutil
WebSocket buffer utils
2
Versions
MIT
License
Yes
Install Scripts
Missing
Provenance
Supply chain provenance
Status for the latest visible version.
No SLSA provenance
npm registry signatures
gitHead linked
Without SLSA provenance there is no cryptographic link between this tarball and the public source — the axios compromise (March 2026) relied on exactly this gap.
Maintainers
einaroslpinca3rdeden
Keywords
bufferutil
Accepted risks
Findings the reviewer chose to accept rather than block on.
| Source | Rule | Reason | Accepted by | When |
|---|---|---|---|---|
| install-scripts | install-script:install | AI (install-scripts): node-gyp-build is the standard install script for native addons with prebuilt binaries; stable for bufferutil. | ai | |
| npm-metadata | bundled-binaries | AI (npm-metadata): Prebuilt .node binaries for linux-x64, win32-ia32, win32-x64 are expected for this native C++ WebSocket addon. | ai |
v4.0.9
3 findings
HIGH
Package has 'install' script
install-scripts
Script: node-gyp-build
HIGH
Bundled binary files (3)
npm-metadata
Package contains compiled binaries that could be backdoors: • prebuilds/linux-x64/bufferutil.node • prebuilds/win32-ia32/bufferutil.node • prebuilds/win32-x64/bufferutil.node
LOW
No provenance attestation
provenance
Package was published without Sigstore provenance. Only ~12% of npm packages have provenance, so this is common but not ideal.