CVE-2019-20922

HighCVSS 7.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Sep 30, 2020
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2019

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CVE-2019-20922: High severity, CVSS 7.5 | Vulnix