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Brace-expansion library can crash Node.js apps
published 5 months ago
Summary
Older versions of the @isaacs/brace-expansion package can use up all CPU and memory when given a specially crafted pattern, potentially stopping the Node.js program. This happens because the library tries to create every possible combination, which can grow very quickly. Upgrade to version 5.0.1 or later to prevent the crash.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| Echo | echo | node-brace-expansion | All versions |
Original advisory text
ECHO-0199-0689-e425
Timeline
Published1 Jun 2026
Updated1 Jun 2026
First seen1 Jun 2026
Sources
ECHO-0199-0689-e425 · OSV
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