Description
The qs module before 1.0.0 does not have an option or default for specifying object depth and when parsing a string representing a deeply nested object will block the event loop for long periods of time. An attacker could leverage this to cause a temporary denial-of-service condition, for example, in a web application, other requests would not be processed while this blocking is occurring.
Remediation
References
https://nodesecurity.io/advisories/28
Related Vulnerabilities
CVE-2019-10431 Vulnerability in maven package org.jenkins-ci.plugins:script-security
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CVE-2018-1288 Vulnerability in maven package org.apache.kafka:kafka_2.10
CVE-2021-41411 Vulnerability in maven package org.drools:drools-core
CVE-2016-10540 Vulnerability in maven package org.webjars.npm:minimatch