UpHeron
All vulnerabilities

Servers and applications

CVE-2021-21607

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.

Severity
Medium 6.5
Published
13 Jan 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
JenkinsServers and applications · cpe:a:jenkins:jenkins
  • Every version up to 2.263.1
  • Every version up to 2.274

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-21607
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-21607