CVE-2021-21607
MEDIUM6.5EPSS 0.27%Excessive memory allocation in graph URLs leads to denial of service in Jenkins
Published: 5/24/2022Modified: 4/3/2025
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.
Affected packages (2)
- Bitnami/jenkinsfrom 0, < 2.274.1
- Maven/org.jenkins-ci.main:jenkins-corefrom 0, < 2.263.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |