Medium severity5.4NVD Advisory· Published Apr 2, 2024· Updated Apr 15, 2026
CVE-2024-1300
CVE-2024-1300
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
io.vertx:vertx-coreMaven | >= 4.3.4, < 4.4.8 | 4.4.8 |
io.vertx:vertx-coreMaven | >= 4.5.0, < 4.5.3 | 4.5.3 |
Affected products
1Patches
Vulnerability mechanics
References
18- github.com/advisories/GHSA-9ph3-v2vh-3qx7ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2024-1300ghsaADVISORY
- access.redhat.com/errata/RHSA-2024:1662nvdWEB
- access.redhat.com/errata/RHSA-2024:1706nvdWEB
- access.redhat.com/errata/RHSA-2024:1923nvdWEB
- access.redhat.com/errata/RHSA-2024:2088nvdWEB
- access.redhat.com/errata/RHSA-2024:2833nvdWEB
- access.redhat.com/errata/RHSA-2024:3527nvdWEB
- access.redhat.com/errata/RHSA-2024:3989nvdWEB
- access.redhat.com/errata/RHSA-2024:4884nvdWEB
- access.redhat.com/security/cve/CVE-2024-1300nvdWEB
- bugzilla.redhat.com/show_bug.cginvdWEB
- github.com/eclipse-vertx/vert.x/commit/3d9235cadf44df39a70dc75bddfe0b8fcbd6a683ghsaWEB
- github.com/eclipse-vertx/vert.x/commit/7ad34ea9d78f85e26b231ee3ec8d492d10046479ghsaWEB
- github.com/eclipse-vertx/vert.x/pull/5099ghsaWEB
- github.com/eclipse-vertx/vert.x/pull/5100ghsaWEB
- github.com/eclipse-vertx/vert.x/pull/5101ghsaWEB
- vertx.io/docs/vertx-core/java/nvdWEB
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