Moderate severity vulnerability that affects io.vertx:vertx-core
In Eclipse Vert.x version 3.0 to 3.5.1, the HttpServer response headers and HttpClient request headers do not filter carriage return and line feed characters from the header value. This allow unfiltered values to inject a new header in the client request or server response.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | io.vertx:vertx-core | >= 3.0.0, < 3.5.2 | 3.5.2 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2018-12537
- https://github.com/eclipse/vert.x/issues/2470
- https://github.com/eclipse/vert.x/commit/1bb6445226c39a95e7d07ce3caaf56828e8aab72
- https://access.redhat.com/errata/RHSA-2018:2371
- https://access.redhat.com/errata/RHSA-2018:3768
- https://bugs.eclipse.org/bugs/show_bug.cgi?id=536038
- https://bugzilla.redhat.com/show_bug.cgi?id=1591072
- https://github.com/advisories/GHSA-6cw8-7j6c-hccp
- https://www.compass-security.com/fileadmin/Datein/Research/Advisories/CSNC-2018-021_vertx.txt
- Weakness (CWE)
CWE-93- Platform
- Java / Kotlin (Maven)
- Package
io.vertx:vertx-core- Disclosed
- 19.10.2018
- Updated
- 11.10.2026 12:21
Sources and licenses
OSV / GitHub Advisory Database - GHSA-6cw8-7j6c-hccp - CC BY 4.0
Vulnerability history: io.vertx:vertx-core
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 7
- First → latest
- 10.2018 05.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Medium 7
Disclosures per year
- 2018: 3
- 2019: 0
- 2020: 0
- 2021: 0
- 2022: 0
- 2023: 0
- 2024: 2
- 2025: 0
- 2026: 2
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Moderate severity vulnerability that affects io.vertx:vertx-core this entry
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