Four high-severity flaws (privilege escalation, HTTP DoS, path traversal, timing side-channel) require immediate updates to v18.x, v20.x, v21.x—libuv, undici, and OpenSSL all bumped.
Summary
Three CVEs allow unprivileged code execution with elevated privileges or crash production servers via malformed HTTP; one enables RSA decryption via timing analysis. No patch = exploitable across all active LTS lines.
Why it matters
Three CVEs allow unprivileged code execution with elevated privileges or crash production servers via malformed HTTP; one enables RSA decryption via timing analysis. No patch = exploitable across all active LTS lines.
Implementation verdict
Update to patched Node versions immediately—this replaces your current runtime. Requires zero code changes; only version bump needed. CVE-2024-21892 (Linux privilege escalation) and CVE-2024-22019 (HTTP DoS) are actively exploitable. Deploy today.
Sources
Dev Signal
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