high7.5
CVE-2019-20922
Handlebars before 4.4.5 allows Regular Expression Denial of Service (ReDoS) because of eager matching.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Handlebarsjs | Handlebars | from 4.0.0 before 4.4.5 |
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/handlebars-lang/handlebars.js/commit/8d5530ee2c3ea9f0aee3fde310b9f36887d00b8b
- https://snyk.io/vuln/SNYK-JS-HANDLEBARS-480388
- https://www.npmjs.com/advisories/1300
- https://github.com/handlebars-lang/handlebars.js/commit/8d5530ee2c3ea9f0aee3fde310b9f36887d00b8b
- https://snyk.io/vuln/SNYK-JS-HANDLEBARS-480388
- https://www.npmjs.com/advisories/1300