Description
A denial of service vulnerability exists in Jenkins 2.153 and earlier, LTS 2.138.3 and earlier in CronTab.java that allows attackers with Overall/Read permission to have a request handling thread enter an infinite loop.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat OpenShift 3 | jenkins | 2.138.4.1544416383-1.el7 | RHBA-2019:0024 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Maven | org.jenkins-ci.main:jenkins-core | < 2.138.4 | 2.138.4 | GHSA-9cjv-93g7-c6mv |
| Maven | org.jenkins-ci.main:jenkins-core | >= 2.140, < 2.154 | 2.154 | GHSA-9cjv-93g7-c6mv |
Advisories 1
- RHBA-2019:0024 Red Hat Bug Fix Advisory: OpenShift Container Platform 3.11 bug fix and enhancement update Red Hat Security Advisories (RHSA) · Jan 14, 2026
References
- RHBA-2019:0024 vendor-advisory
- 106176 vdb-entry
- https://jenkins.io/security/advisory/2018-12-05/#SECURITY-1193