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…

Description

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.

Scores

EPSS (exploitation in 30 days)

2.7% · top 14% of all CVEs (5 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.

Weakness

• CWE-789: Uncontrolled Memory Allocation (opens in a new tab)All about CWE-789 and its CVEs
• CWE-119 (opens in a new tab)All about CWE-119 and its CVEs

Affected products

• The Eclipse Foundation · Eclipse Vert.x

  • affected 3.0 – < unspecified
  • affected unspecified – ≤ 3.5.3

Affected packages

From reviewed advisories of the GitHub Advisory Database.

• Mavenio.vertx:vertx-coreGHSA-45xm-v8gq-7jqx (opens in a new tab)

References (16)

• https://bugs.eclipse.org/bugs/show_bug.cgi?id=539170 (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://github.com/eclipse-vertx/vert.x/issues/2648 (opens in a new tab)x_refsource_CONFIRMx_transferred
• RHSA-2018:2946 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• [pulsar-commits] 20201215 [GitHub] [pulsar] yanshuchong opened a new issue #8967: CVSS issue list (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [pulsar-commits] 20210419 [GitHub] [pulsar] lhotari commented on pull request #10261: [Security] Upgrade vertx to 3.9.7, addresses CVE-2018-12541 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [bookkeeper-issues] 20210419 [GitHub] [bookkeeper] lhotari opened a new pull request #2693: [Security] Upgrade vertx to 3.9.7, addresses CVE-2018-12541 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [pulsar-commits] 20210419 [GitHub] [pulsar] lhotari opened a new pull request #10261: [Security] Upgrade vertx to 3.9.7, addresses CVE-2018-12541 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [pulsar-commits] 20210419 [pulsar] branch master updated: [Security] Upgrade vertx to 3.9.7, addresses CVE-2018-12541 (#10261) (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [pulsar-commits] 20210419 [GitHub] [pulsar] lhotari edited a comment on pull request #10261: [Security] Upgrade vertx to 3.9.7, addresses CVE-2018-12541 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [pulsar-commits] 20210419 [GitHub] [pulsar] eolivelli merged pull request #10261: [Security] Upgrade vertx to 3.9.7, addresses CVE-2018-12541 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [bookkeeper-issues] 20210421 [GitHub] [bookkeeper] lhotari commented on pull request #2693: [Security] Upgrade vertx to 3.9.7, addresses CVE-2018-12541 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [bookkeeper-issues] 20210507 [GitHub] [bookkeeper] dlg99 commented on pull request #2693: [Security] Upgrade vertx to 3.9.7, addresses CVE-2018-12541 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [pulsar-commits] 20210513 [pulsar] 30/46: [Security] Upgrade vertx to 3.9.7, addresses CVE-2018-12541 (#10261) (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [bookkeeper-issues] 20210618 [GitHub] [bookkeeper] lhotari commented on pull request #2693: [Security] Upgrade vertx to 3.9.8, addresses CVE-2018-12541 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [bookkeeper-issues] 20210623 [GitHub] [bookkeeper] sijie merged pull request #2693: [Security] Upgrade vertx to 3.9.8, addresses CVE-2018-12541 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [bookkeeper-commits] 20210817 [bookkeeper] 01/03: [Security] Upgrade vertx to 3.9.8, addresses CVE-2018-12541 (#2693) (opens in a new tab)mailing-listx_refsource_MLISTx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisory GHSA-45xm-v8gq-7jqx (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2018-12541](https://trackcve.app/badge/CVE-2018-12541.svg)](https://trackcve.app/cve/CVE-2018-12541)

Record last updated 5 Aug 2024, 08:38 UTC.