Description
Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not limit sizes provided as query parameters to graph-rendering URLs, allowing attackers to request crafted URLs that use all available memory in Jenkins, potentially leading to out of memory errors.
Remediation
References
https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-2025
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CVE-2020-17527 Vulnerability in maven package org.apache.tomcat.embed:tomcat-embed-core