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CVE-2024-1300

Io.vertx:vertx-core: memory leak when a tcp server is configured with tls and sni support

Published: Apr 2, 2024Updated: Feb 25, 2026 Sources: CVE List NVD GHSA BDUCWE-772
NVD MITRE
5.4CVSSMEDIUM
EPSS Score
1.1%
Top 40.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A vulnerability in the Eclipse Vert.x toolkit causes a memory leak in TCP servers configured with TLS and SNI support. When processing an unknown SNI server name assigned the default certificate instead of a mapped certificate, the SSL context is erroneously cached in the server name map, leading to memory exhaustion. This flaw allows attackers to send TLS client hello messages with fake server names, triggering a JVM out-of-memory error.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:LI:NA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:LAvailability
Low
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Weaknesses

CWE-772

Affected Products

CEQ 3.2Red Hat
On-prem
Operating Systems / linux-distro
Cryostat 2 on RHEL 8Red Hat
On-prem
Operating Systems / linux-distro
Migration Toolkit for Runtimes 1 on RHEL 8Red Hat
On-prem
Operating Systems / linux-distro
MTA-6.2-RHEL-9Red Hat
On-prem
Operating Systems / linux-distro
red hatcommercialUSOperating Systemsaka red hat
and 24 more affected products View all →

Exploitability

Official Patch Available
Workaround Available

References

https://access.redhat.com/errata/RHSA-2024:1662
access.redhat.com
https://access.redhat.com/errata/RHSA-2024:1706
access.redhat.com
https://access.redhat.com/errata/RHSA-2024:1923
access.redhat.com
and 16 more references View all →

Timeline

Published
Apr 2, 2024
Last Updated
Feb 25, 2026

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