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CVE-2026-33750

nvd nist
Published: Mar 27, 2026Modified: Apr 22, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: NVD

Description

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.

Affected (4)

1 product
Brace Expansion
Configuration A
4 vulnerable
Vulnerable SoftwareAffected Versions
Juliangruber
Before 1.1.13
From 2.0.0 to 2.0.3
From 3.0.0 to 3.0.2
From 5.0.0 to 5.0.5

Timeline

No history available yet.