cve.bz

CVE-2021-21607

6.5 mediumEPSS 1.5%

Medium (6.5) in jenkins jenkins. EPSS 1.5% chance of exploitation in the next 30 days. Fixed in org.jenkins-ci.main:jenkins-core 2.263.2, 2.275.

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

CVSS 3.1

6.5 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS
1.5% chance of exploitation in the next 30 days; higher than 73% of CVEs (scores of 2026-10-31)
CWE
CWE-770
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-cxqw-vjcr-gp5gMavenorg.jenkins-ci.main:jenkins-core<2.263.22.263.2
GHSA-cxqw-vjcr-gp5gMavenorg.jenkins-ci.main:jenkins-core>=2.264 <2.2752.275

References

Check your stackJSON