vulnerability
Jenkins Advisory 2021-01-13: CVE-2021-21607: Excessive memory allocation in graph URLs leads to denial of service
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:L/Au:S/C:N/I:N/A:P) | Jan 13, 2021 | Dec 2, 2021 | Aug 11, 2025 |
Severity
4
CVSS
(AV:N/AC:L/Au:S/C:N/I:N/A:P)
Published
Jan 13, 2021
Added
Dec 2, 2021
Modified
Aug 11, 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.
Solutions
jenkins-lts-upgrade-2_263_2jenkins-upgrade-2_275
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