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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.
Mend Note: Converted from WS-2019-0491, on 2022-11-08.
CVE-2019-20922 - High Severity Vulnerability
Handlebars provides the power necessary to let you build semantic templates effectively with no frustration
Library home page: https://registry.npmjs.org/handlebars/-/handlebars-4.0.11.tgz
Path to dependency file: /package.json
Path to vulnerable library: /node_modules/handlebars/package.json
Dependency Hierarchy:
Found in HEAD commit: e09ef1e3a45be925a41a2e1aa6a0bcbc6b3c41ea
Found in base branch: master
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.
Mend Note: Converted from WS-2019-0491, on 2022-11-08.
Publish Date: 2020-09-30
URL: CVE-2019-20922
Base Score Metrics:
Type: Upgrade version
Origin: https://www.npmjs.com/advisories/1300
Release Date: 2020-09-30
Fix Resolution (handlebars): 4.4.5
Direct dependency fix Resolution (karma-coverage-istanbul-reporter): 1.4.3
⛑️ Automatic Remediation will be attempted for this issue.
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