CVE-2021-21607

Medium

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.

SeverityMedium
CVSS6.5
Exploit probability—
ProductJenkins
PublishedJan 13, 2021
First seenJan 13, 2021

How to fix

Update
  • org.jenkins-ci.main:jenkins-core2.263.2, 2.275 or later

Affected products

ProductAffected versionsFixed in
jenkins jenkinsv ≤ 2.263.1, v ≤ 2.274—
org.jenkins-ci.main:jenkins-coreMavenv < 2.263.2, 2.264 ≤ v < 2.2752.263.2, 2.275

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CVE-2021-21607 · Jenkins · Dark Radar