chore(deps): update dependency brace-expansion@>=2.0.0 <=2.0.1 to >=2.0.3 [security]

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
brace-expansion@>=2.0.0 <=2.0.1	[>=2.0.2 → >=2.0.3](https://renovatebot.com/diffs/npm/brace-expansion@>=2.0.0 <=2.0.1/2.0.2/2.0.3)

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brace-expansion: Zero-step sequence causes process hang and memory exhaustion

CVE-2026-33750 / GHSA-f886-m6hf-6m8v

More information

Details

Impact

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.

The loop in question:

https://github.com/juliangruber/brace-expansion/blob/daa71bcb4a30a2df9bcb7f7b8daaf2ab30e5794a/src/index.ts#L184

test() is one of

https://github.com/juliangruber/brace-expansion/blob/daa71bcb4a30a2df9bcb7f7b8daaf2ab30e5794a/src/index.ts#L107-L113

The increment is computed as Math.abs(0) = 0, so the loop variable never advances. On a test machine, the process hangs for about 3.5 seconds and allocates roughly 1.9 GB of memory before throwing a RangeError. Setting max to any value has no effect because the limit is only checked at the output combination step, not during sequence generation.

This affects any application that passes untrusted strings to expand(), or by error sets a step value of 0. That includes tools built on minimatch/glob that resolve patterns from CLI arguments or config files. The input needed is just 10 bytes.

Patches

Upgrade to versions

• 5.0.5+

A step increment of 0 is now sanitized to 1, which matches bash behavior.

Workarounds

Sanitize strings passed to expand() to ensure a step value of 0 is not used.

Severity

• CVSS Score: 6.5 / 10 (Medium)
• Vector String: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

• https://github.com/juliangruber/brace-expansion/security/advisories/GHSA-f886-m6hf-6m8v
• https://nvd.nist.gov/vuln/detail/CVE-2026-33750
• https://github.com/juliangruber/brace-expansion/issues/98
• https://github.com/juliangruber/brace-expansion/pull/95
• https://github.com/juliangruber/brace-expansion/pull/96
• https://github.com/juliangruber/brace-expansion/pull/97
• https://github.com/juliangruber/brace-expansion/commit/311ac0d54994158c0a384e286a7d6cbb17ee8ed5
• https://github.com/juliangruber/brace-expansion/commit/7fd684f89fdde3549563d0a6522226a9189472a2
• https://github.com/juliangruber/brace-expansion/commit/b9cacd9e55e7a1fa588fe4b7bb1159d52f1d902a
• https://github.com/juliangruber/brace-expansion
• https://github.com/juliangruber/brace-expansion/blob/daa71bcb4a30a2df9bcb7f7b8daaf2ab30e5794a/src/index.ts#L107-L113
• https://github.com/juliangruber/brace-expansion/blob/daa71bcb4a30a2df9bcb7f7b8daaf2ab30e5794a/src/index.ts#L184

This data is provided by OSV and the GitHub Advisory Database (CC-BY 4.0).

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Release Notes

juliangruber/brace-expansion (brace-expansion@>=2.0.0 <=2.0.1)

v2.0.3

Compare Source

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The artifact failure details are included below:

File name: pnpm-lock.yaml

 ERR_PNPM_INVALID_MINIMUM_RELEASE_AGE_EXCLUDE  Invalid value in minimumReleaseAgeExclude: Invalid versions union. Found: "brace-expansion@>=2.0.0 <=2.0.1@2.0.3". Use exact versions only.