Resource exhaustion in Eclipse Vert.x

CVE-2024-8391

In Eclipse Vert.x version 4.3.0 to 4.5.9, the gRPC server does not limit the maximum length of message payload (Maven GAV: io.vertx:vertx-grpc-server and io.vertx:vertx-grpc-client).  This is fixed in the 4.5.10 version.  Note this does not affect the Vert.x gRPC server based grpc-java and Netty libraries (Maven GAV: io.vertx:vertx-grpc)

EPSS: 0.006 (44.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-8391?
CVE-2024-8391 is a high-severity vulnerability in Eclipse Vert.x, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2024-09-04.
How severe is CVE-2024-8391?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2024-8391 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.