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  1. CVEs
  2. CVE-2019-20922
  1. CVEs

CVE-2019-20922

high
  • Information
  • CPEs
  • Plugins

Description

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

  • Advisories
  • More

https://www.npmjs.com/advisories/1300

https://snyk.io/vuln/SNYK-JS-HANDLEBARS-480388

https://github.com/handlebars-lang/handlebars.js/commit/8d5530ee2c3ea9f0aee3fde310b9f36887d00b8b

https://github.com/advisories/GHSA-62gr-4qp9-h98f

https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-0849

Details

Source: Mitre, NVD

Published: 2020-09-30

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.03691

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