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TI-2018-09000 Aliases CVE-2018-12541GHSA-45xm-v8gq-7jqx

Memory corruption in Eclipse Vert.x

Priority LOW 34CWE-789Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 2 fixed, 1 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-789.

Summary

In version from 3.0.0 to 3.5.3 of Eclipse Vert.x, the WebSocket HTTP upgrade implementation buffers the full http request before doing the handshake, holding the entire request body in memory. There should be a reasonnable limit (8192 bytes) above which the WebSocket gets an HTTP response with the 413 status code and the connection gets closed.

Why it matters now

EPSS 0.02652 85th percentileScored 2026-11-07
Fix Partial io.vertx:vertx-core (Maven): 3.5.4Red Hat: 2 advisoriesRed Hat: 2 fixed, 1 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
Eclipse FoundationEclipse Vert.x3.0 and later; up to 3.5.3—No fix listedCNA
—io.vertx:vertx-core (Maven)3.0.0 to before 3.5.43.5.4Patch availableGHSA-45xm-v8gq-7jqx
  • Eclipse Vert.x VendorEclipse Foundation Affected 3.0 and later; up to 3.5.3 Fixed in — No fix listed CNA
  • io.vertx:vertx-core (Maven) Vendor— Affected 3.0.0 to before 3.5.4 Fixed in 3.5.4 Patch available GHSA-45xm-v8gq-7jqx

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:eclipse:vert.x:*:*:*:*:*:*:*:*3.0.0 to before 3.5.4VulnerableEclipse Foundation
  • cpe:2.3:a:eclipse:vert.x:*:*:*:*:*:*:*:* Versions 3.0.0 to before 3.5.4 Vulnerable ·Eclipse Foundation

Remediation

  • Fix · GHSA-45xm-v8gq-7jqx io.vertx:vertx-core (Maven) Fixed in 3.5.4 Advisory →

Red Hat 2 advisories

  • RHSA-2020:3192 Released 2020-07-28 · Red Hat rating Important
    Red Hat Fuse 7.7.0 release and security update
    • Red Hat Fuse 7.7.0
  • RHSA-2018:2946 Released 2018-10-18 · Red Hat rating Moderate
    Red Hat OpenShift Application Runtimes security and bug fix update
    • Text-Only RHOAR

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    The Eclipse Foundation Eclipse Vert.x — RHSA-2018:2946

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2018-09003 XML external entity injection in Eclipse Vert.xPriority MEDIUM 46

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat JBoss Fuse 6AffectedNo fix planned: Out of support scope
Red Hat Fuse 7.7.0Fixed RHSA-2020:3192
Text-Only RHOARFixed RHSA-2018:2946

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-12541
  2. 2026-10-03 Alias added: GHSA-45xm-v8gq-7jqx

References

Other 28

  • TI-2026-06017 Improper certificate validation in Eclipse Vert.x CVSS 4.0MEDIUM 6.9
  • TI-2025-10971 In Eclipse Vert.x versions [4.0.0, 4.5.21] and [5.0.0, 5.0.4], a StaticHandler… CVSS 4.0MEDIUM 6.3
  • TI-2019-13165 Path traversal in Eclipse Vert.x CVSS 3.1CRITICAL 9.8
  • TI-2018-09003 XML external entity injection in Eclipse Vert.x CVSS 3.0CRITICAL 9.8
  • TI-2018-09001 Path traversal in Eclipse Vert.x CVSS 3.0CRITICAL 9.8
  • TI-2025-10972 Cross-site scripting in Eclipse Foundation Vert.x CVSS 4.0LOW 2.3
See all 26 →

Sources