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GMS-2020-728: Denial of Service in handlebars

September 3, 2020 (updated October 1, 2021)

Affected versions of handlebars are vulnerable to Denial of Service. The package’s parser may be forced into an endless loop while processing specially-crafted templates. This may allow attackers to exhaust system resources leading to Denial of Service.

Recommendation

Upgrade to version 4.4.5 or later.

References

  • github.com/advisories/GHSA-f52g-6jhx-586p
  • www.npmjs.com/advisories/1300

Code Behaviors & Features

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Affected versions

All versions starting from 4.0.0 before 4.4.5

Fixed versions

  • 4.4.5

Solution

Upgrade to version 4.4.5 or above.

Source file

npm/handlebars/GMS-2020-728.yml

Spotted a mistake? Edit the file on GitLab.

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