vm2's bufferAllocLimit cap bypassed by Buffer.concat and Buffer.from arrayLike

Date Aug 17, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product npm ยท vm2
CVE CVE-2026-47683
High-risk advisory CVE-2026-47683

Summary

vm2's bufferAllocLimit cap bypassed by Buffer.concat and Buffer.from arrayLike

Why it matters

GitHub has published a reviewed security advisory for vm2. Prioritize it with other application dependency updates.

Operator check

Check whether vm2 is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 8.7.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.