Skip to content

chore(deps): update dependency brace-expansion@>=1.0.0 <=1.1.11 to v5 [security]#61

Open
renovate[bot] wants to merge 1 commit intomasterfrom
renovate/npm-brace-expansion-=1.0.0-=1.1.11-vulnerability
Open

chore(deps): update dependency brace-expansion@>=1.0.0 <=1.1.11 to v5 [security]#61
renovate[bot] wants to merge 1 commit intomasterfrom
renovate/npm-brace-expansion-=1.0.0-=1.1.11-vulnerability

Conversation

@renovate
Copy link
Copy Markdown
Contributor

@renovate renovate bot commented Mar 27, 2026

This PR contains the following updates:

Package Change Age Confidence
brace-expansion@>=1.0.0 <=1.1.11 [^1.1.12^5.0.5](https://renovatebot.com/diffs/npm/brace-expansion@>=1.0.0 <=1.1.11/1.1.12/5.0.5) age confidence

GitHub Vulnerability Alerts

CVE-2026-33750

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

Release Notes

juliangruber/brace-expansion (brace-expansion@>=1.0.0 <=1.1.11)

v5.0.5

Compare Source

v5.0.4

Compare Source

v5.0.3

Compare Source

v5.0.2

Compare Source

v4.0.1

Compare Source


v4.0.0

Compare Source

As a precaution to not risk breaking anything with 278132b, this is a new semver major release

v3.0.2

Compare Source

v3.0.1

Compare Source


v3.0.0

Compare Source

v2.1.0

Compare Source

v2.0.3

Compare Source

v2.0.2

Compare Source


v2.0.1

Compare Source

v2.0.0

Compare Source

v1.1.14

Compare Source

v1.1.13

Compare Source


Configuration

📅 Schedule: (UTC)

  • Branch creation
    • ""
  • Automerge
    • At any time (no schedule defined)

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.


  • If you want to rebase/retry this PR, check this box

This PR was generated by Mend Renovate. View the repository job log.

@renovate renovate bot force-pushed the renovate/npm-brace-expansion-=1.0.0-=1.1.11-vulnerability branch 3 times, most recently from 2fede2b to 5dd7ab8 Compare April 1, 2026 22:10
@renovate renovate bot force-pushed the renovate/npm-brace-expansion-=1.0.0-=1.1.11-vulnerability branch 3 times, most recently from 4fb05f7 to 4eb2632 Compare April 15, 2026 09:38
@renovate renovate bot force-pushed the renovate/npm-brace-expansion-=1.0.0-=1.1.11-vulnerability branch 2 times, most recently from fc3aa77 to 732db5d Compare April 16, 2026 16:58
@renovate renovate bot force-pushed the renovate/npm-brace-expansion-=1.0.0-=1.1.11-vulnerability branch from 732db5d to 7b39a29 Compare April 16, 2026 22:16
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Labels

None yet

Development

Successfully merging this pull request may close these issues.

0 participants