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CVE-2026-33750

7.5 high SSVC exploitation: none Analyzed
NVD · CVE.org

The brace-expansion library generates arbitrary strings containing a common prefix and suffix. Prior to versions 5.0.5, 3.0.2, 2.0.3, and 1.1.13, a brace pattern with a zero step value (e.g., `{1..2..0}`) causes the sequence generation loop to run indefinitely, making the process hang for seconds and allocate heaps of memory. Versions 5.0.5, 3.0.2, 2.0.3, and 1.1.13 fix the issue. As a workaround, sanitize strings passed to `expand()` to ensure a step value of `0` is not used.

Fix

Patch, vendor advisory and mitigation references on NVD 9

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 7.5 · juliangruberNVD modified 2026-10-26 22:10

Affected (CPE criteria) 1

  • cpe:2.3:a:juliangruber:brace-expansion:*:*:*:*:*:node.js:*:*

References 10