CVE catalog
CVE-2023-31418
UBUNTU-CVE-2023-31418
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 2.05% · Oct 25, 2026
An issue has been identified with how Elasticsearch handled incoming requests on the HTTP layer. An unauthenticated user could force an Elasticsearch node to exit with an OutOfMemory error by sending a moderate number of malformed HTTP requests. The issue was identified by Elastic Engineering and we have no indication that the issue is known or that it is being exploited in the wild.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Ubuntu | elasticsearch | 16.04 | 1.6.2+dfsg-1 | vulnerable |
| Ubuntu | elasticsearch | 16.04 | 1.7.3+dfsg-1 | vulnerable |
| Ubuntu | elasticsearch | 16.04 | 1.7.3+dfsg-2 | vulnerable |
| Ubuntu | elasticsearch | 16.04 | 1.7.3+dfsg-3 | vulnerable |
Fixed-version evidence
OpenFactory catalog packages
No matching packages in this catalog.
Observed: