[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
minimatch@9	>=9.0.7 → >=9.0.9

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minimatch has potential denial of service via globparts amplification

CVE-2026-118764 / GHSA-g3hv-75wg-m249

More information

Details

minimatch 10.2.6 contains an attacker-controlled pattern amplification in firstPhasePreProcess() when optimizationLevel >= 2.

researcher: Reid Downing (b1nv0id)
files:

• src/index.ts: 690-770
• src/index.ts: 780-796

issue:
input-controlled growth of globParts during first-phase preprocessing, followed by quadratic second-phase processing.

the **/../ transformation clones a globparts entry and appends the clone to the same globparts array:

parts.splice(gs, 1)
const other = parts.slice(0)
other[gs] = '**'
globParts.push(other)

this occurs inside a do...while (didSomething) fixpoint loop, allowing generated entries to be processed again.

the expanded globparts array is subsequently processed by secondPhasePreProcess(), which performs pairwise comparisons:

for (let i = 0; i < globParts.length - 1; i++) {
  for (let j = i + 1; j < globParts.length; j++) {
    this.partsMatch(...)
  }
}

an attacker who can supply a glob pattern can therefore cause additional pattern entries to be generated during preprocessing, followed by quadratic pairwise processing, resulting in excessive cpu and memory consumption.

Severity

• CVSS Score: 6.9 / 10 (Medium)
• Vector String: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

References

• https://github.com/isaacs/minimatch/security/advisories/GHSA-g3hv-75wg-m249
• https://nvd.nist.gov/vuln/detail/CVE-2026-118764
• https://github.com/isaacs/minimatch/commit/77a0f5c4b80bdc641c3c930a1d9edf5ad2db57f8
• https://github.com/isaacs/minimatch/releases/tag/v11.0.1
• https://github.com/isaacs/minimatch/commit/297b6c1a01f2410b3ba1ebed14ba222d0c3c1033
• https://github.com/isaacs/minimatch/commit/fd0b3ab9cbc5bf1aff1c99f1f46e413c2b3340da
• https://github.com/advisories/GHSA-g3hv-75wg-m249

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

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Release Notes

isaacs/minimatch (minimatch@9)

v9.0.9

Compare Source

v9.0.8

Compare Source

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[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.26%. Comparing base (b637524) to head (c121bc2).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2079   +/-   ##
=======================================
  Coverage   99.26%   99.26%           
=======================================
  Files          83       83           
  Lines        3244     3244           
  Branches      562      562           
=======================================
  Hits         3220     3220           
  Misses         17       17           
  Partials        7        7           

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