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Bump mammoth from 1.12.1 to 1.12.3 - #26

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dependabot/npm_and_yarn/mammoth-1.12.3

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@dependabot dependabot Bot commented on behalf of github Sep 16, 2026

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Bumps mammoth from 1.12.1 to 1.12.3.

Changelog

Sourced from mammoth's changelog.

1.12.3

  • Avoid excessive backtracking when parsing an unterminated string with many escape sequences. The previous behaviour would allow maliciously crafted documents to cause a denial of service.

    Note that it is still strongly recommended to process untrusted documents in a separate thread with a timeout to avoid potential similar issues.

  • Handle complex field separator and end characters without corresponding start characters.

1.12.2

  • Avoid prototype pollution when reading the styles defined in a document. This avoids an issue where a maliciously crafted document could be used to set externalFileAccess to true.
Commits
  • 71fe5da Bump version to 1.12.3
  • 5fe085d Update node to 26.8.2
  • f1fc26f Start warning with capital letter
  • 62d4d33 Handle missing complex field start characters
  • dc49225 Avoid excessive backtracking when parsing unterminated strings
  • 8706034 Bump version to 1.12.2
  • 2888fa1 Create objects without prototypes when used as map with arbitrary keys
  • 31f0c37 Avoid prototype pollution when reading styles
  • See full diff in compare view

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Bumps [mammoth](https://github.com/mwilliamson/mammoth.js) from 1.12.1 to 1.12.3.
- [Release notes](https://github.com/mwilliamson/mammoth.js/releases)
- [Changelog](https://github.com/mwilliamson/mammoth.js/blob/master/NEWS)
- [Commits](mwilliamson/mammoth.js@1.12.1...1.12.3)

---
updated-dependencies:
- dependency-name: mammoth
  dependency-version: 1.12.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot added dependencies Pull requests that update a dependency file javascript Pull requests that update javascript code labels Sep 16, 2026
@dependabot @github

dependabot Bot commented on behalf of github Sep 30, 2026

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Superseded by #34.

@dependabot dependabot Bot closed this Sep 30, 2026
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dependabot Bot deleted the dependabot/npm_and_yarn/mammoth-1.12.3 branch September 30, 2026 01:25
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