CVE-2019-20922: Uncontrolled Resource Consumption

February 10, 2022

Handlebars before 4.4.5 allows Regular Expression Denial of Service (ReDoS) because of eager matching. The parser may be forced into an endless loop while processing crafted templates. This may allow attackers to exhaust system resources.

References

github.com/advisories/GHSA-62gr-4qp9-h98f
github.com/handlebars-lang/handlebars.js/commit/8d5530ee2c3ea9f0aee3fde310b9f36887d00b8b
nvd.nist.gov/vuln/detail/CVE-2019-20922
snyk.io/vuln/SNYK-JS-HANDLEBARS-480388
www.npmjs.com/advisories/1300
www.npmjs.com/package/handlebars

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