The semver package before 4.3.2 for Node.js allows attackers to cause a denial of service (CPU consumption) via a long version string, aka a "regular expression denial of service (ReDoS)."
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "2.1.0-2ubuntu0.0.1~esm1", "binary_name": "libjs-semver" }, { "binary_version": "2.1.0-2ubuntu0.0.1~esm1", "binary_name": "node-semver" } ] }