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CVE-2024-8391

Eclipse Vert.x gRPC server does not limit the maximum message size

6.9 MediumFix available

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)

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
Low

Exploit likelihood

0.58%Up 0.5 points since Sep 5, 2024
90%50%10%1%

What each source reports

CVE List Score used 6.9

Eclipse Vert.x gRPC server does not limit the maximum message size

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)

Record
CVE-2024-8391
CVSS 4.0
6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Weakness
CWE-770
Updated
2026-11-02
EUVDEUVD-2024-2795 6.9

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)

Record
EUVD-2024-2795
CVSS 4.0
6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Updated
2026-11-03
GitHub AdvisoriesGHSA-g76f-gjfx-4rpr 6.9

Vertx gRPC server does not limit the maximum message size

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)

Record
GHSA-g76f-gjfx-4rpr
CVSS 4.0
6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
5.8 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
Weakness
CWE-770
Updated
2026-11-02
NVD 6.9

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)

Record
CVE-2024-8391
CVSS 4.0
6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-770
Updated
2026-11-02
OSV 6.9

Eclipse Vert.x gRPC server does not limit the maximum message size

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)

Record
CVE-2024-8391
CVSS 4.0
6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Weakness
CWE-770
Updated
2026-11-02
OSVGHSA-g76f-gjfx-4rpr 6.9

Vertx gRPC server does not limit the maximum message size

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)

Record
GHSA-g76f-gjfx-4rpr
CVSS 4.0
6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
5.8 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
Weakness
CWE-770
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
io.vertx:vertx-grpc-server
Maven
 4.3.0 up to 4.5.10
4.5.10
io.vertx:vertx-grpc-client
Maven
 4.3.0 up to 4.5.10
4.5.10
io.vertx:vertx-grpc-server
Maven
 4.3.0 up to 4.5.10, plus listed versions
4.3.14.3.24.3.34.3.44.3.5
Show 23 moreShow less
4.3.64.3.74.3.84.4.04.4.14.4.24.4.34.4.44.4.54.4.64.4.74.4.84.4.94.5.04.5.14.5.24.5.34.5.44.5.54.5.64.5.74.5.84.5.9
4.5.10
io.vertx:vertx-grpc-client
Maven
 4.3.0 up to 4.5.10, plus listed versions
4.3.14.3.24.3.34.3.44.3.5
Show 23 moreShow less
4.3.64.3.74.3.84.4.04.4.14.4.24.4.34.4.44.4.54.4.64.4.74.4.84.4.94.5.04.5.14.5.24.5.34.5.44.5.54.5.64.5.74.5.84.5.9
4.5.10

History

History
RecordedChangedSources
aliases, publishedEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2024-8391 is a medium vulnerability (CVSS 6.9) in Eclipse Vert.x, published September 4, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.58%, the 47th percentile. Fixed in io.vertx:vertx-grpc-server 4.5.10.

References

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