CVE-2024-8447 is a medium-severity (CVSS 5.9) CWE-833 vulnerability in org.jboss.narayana.rts:lra-coordinator-jar. A fix is available for org.jboss.narayana.rts:lra-coordinator-jar — see the affected versions and patch details below.
Narayana: deadlock via multiple join requests sent to lra coordinator
Exploitation Status
No confirmed exploitation observed yet
- CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.
Exploitation and automatability from CISA’s SSVC triage for CVE-2024-8447.
EPSS Exploitation Probability
EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.
How urgent is this, really
CVE-2024-8447 plotted by exploitation likelihood (EPSS) against impact (CVSS). The shaded corner — EPSS 50%+ and CVSS 7.0+ — is where this CVE doesn't sit, though severity or exploitability alone can still warrant action.
Where this sits among everything scored
Of 377,166 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Real counts from FIRST.org, not a sample — log-scaled since the landscape is heavily right-skewed.
Real-World Exposure
org.jboss.narayana.rts:lra-coordinator-jarReal-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.
Description
A security issue was discovered in the LRA Coordinator component of Narayana. When Cancel is called in LRA, an execution time of approximately 2 seconds occurs. If Join is called with the same LRA ID within that timeframe, the application may crash or hang indefinitely, leading to a denial of service.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| ☕Maven | org.jboss.narayana.rts:lra-coordinator-jar | all versions | 7.1.0.Finalorg.jboss.narayana.rts:lra-coordinator-jar:7.1.0.Final |
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.jboss.narayana.rts:lra-coordinator-jar, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update org.jboss.narayana.rts:lra-coordinator-jar to 7.1.0.Final or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2024-8447 is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
How O3 protects you
O3 Security's impact-aware SCA analyses which vulnerable code paths your application actually calls, so a match like CVE-2024-8447 can be triaged on real exposure rather than presence alone.
Tailored to CVE-2024-8447. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.
Fixing This On Your OS
If you run this on a Linux distribution, patch through your package manager against the distro's own security advisory below — it tracks the exact backported fix for your release, which can ship on a different timeline (and sometimes a different severity) than the upstream project.
| Product | Fixed in | Advisory |
|---|---|---|
| Red Hat JBoss EAP XP 5.0 Update 2.0 | org.jboss.narayana-narayana-all | RHSA-2025:7620 |
| Red Hat JBoss Enterprise Application Platform 8 | org.jboss.narayana-narayana-all | RHSA-2025:3358 |
| Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8 | eap8-eap-product-conf-parent-0:800.6.1-1.GA_redhat_00001.1.el8eap | RHSA-2025:3357 |
Frequently Asked Questions
Is CVE-2024-8447 in your dependencies?
O3 Security finds CVE-2024-8447 across Maven dependencies, including transitive ones, and its impact-aware SCA ranks findings by whether your code actually calls the vulnerable path.