Deep dives, practical guides, and incident analyses from engineers who build Safeguard. No fluff, no vendor FUD — just what you need to ship secure software.
netty-handler is where Netty's TLS lives, which makes it the module scanners flag most. What SslHandler actually does, the hostname-verification gotcha, and the patch cadence to keep.
react-native-blob-util is the maintained successor to rn-fetch-blob. Here is what it does, why the migration matters for security, and how to handle files safely.
npm body-parser is Express middleware for reading request bodies, and it is safe when kept current. Here is the CVE-2024-45590 denial-of-service issue and how to configure it defensively.
Formik is a widely used React form library. Here is an honest look at its security history, dependency risk, and how to use it safely.
The npm express package is the most widely used Node.js web framework, and it is safe to run today if you stay on a maintained version and watch its small dependencies. Here is the security picture.
The jsonwebtoken npm package signs and verifies JWTs for countless Node apps, and versions at or below 8.5.1 carry serious verification flaws. Here is how to use npm jsonwebtoken safely.
A practitioner review of the broadcast-channel npm package: maintenance health, how its storage fallbacks work, the security boundaries of cross-tab messaging, and when the native API is enough.
uglifyjs-webpack-plugin is deprecated and built on the unmaintained uglify-es. Here is why you should migrate to terser-webpack-plugin and how to do it cleanly.
PapaParse is the go-to CSV parser for JavaScript, but older versions carry a ReDoS flaw. Here is a security review and how to use it safely on untrusted files.
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