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CVE-2026-45149
MEDIUM(6.5)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Risk Signal Score16/100 — NIEDRIG
- CVSS 6.5 — Mittel
EPSS-Score
0%
Exploit-Wahrscheinlichkeit (30 Tage)
CVSS Score
6.5
Technische Schwere
Beschreibung
The brace-expansion library generates arbitrary strings containing a common prefix and suffix. From 5.0.0 to before 5.0.6, the max option was being applied too late. When expanding a single large numeric range like {1..10000000}, the sequence generation loop generates all 10 million intermediate elements before the max limit is applied With max=10, the output is correctly limited to 10 items, but the process still allocates ~505 MB and spends ~800ms building the full intermediate array. This vulnerability is fixed in 5.0.6.
GitHub Advisories
GHSA-jxxr-4gwj-5jf2MEDIUM
brace-expansion: Large numeric range defeats documented `max` DoS protection
npm/brace-expansion→ 5.0.6
GitHub Advisory