CVE-2023-31419
Highelasticsearch: StackOverflow vulnerability
Published Oct 27, 2023 · Updated Sep 8, 2026 · Also known as BIT-elasticsearch-2023-31419, GHSA-qwrx-45xf-jjf7, UBUNTU-CVE-2023-31419
Key Facts
Patch immediately- CVE-2023-31419 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting Elasticsearch, Azl3 Rubygem-Elasticsearch 8.9.0-1 (Microsoft), conductor (minimos) and 2 more products.
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 62% probability of exploitation in the next 30 days.
- Fixed versions are available, including conductor 3.32.1-r0, conductor-fips 3.32.1-r0, Elasticsearch <=7.17.12.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS (30-day exploit likelihood)
62%
Higher than 99.1% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
None known
Get the full CVE-2023-31419 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
A flaw was discovered in Elasticsearch, affecting the _search API that allowed a specially crafted query string to cause a Stack Overflow and ultimately a Denial of Service.
Affected Products
8 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| ElasticsearchElastic | >= 7.0.0 | 7.17.12 |
| Azl3 Rubygem-Elasticsearch 8.9.0-1Microsoft | See advisory | n/a |
| conductorminimos | See advisory | 3.32.1-r0 |
| conductor-fipsminimos | See advisory | 3.32.1-r0 |
| org.elasticsearch:elasticsearchmaven | >= 7.0.0 | 8.9.1 |
Patched Releases
conductor
3.32.1-r0
conductor-fips
3.32.1-r0
Elasticsearch
<=7.17.12, 7.17.13, 8.9.1, 7.17.12, 8.9.0
org.elasticsearch:elasticsearch
7.17.13, 8.9.1
Timeline
Publicly disclosed
Oct 27, 2023
Last updated
Sep 8, 2026
Weakness Type
- CWE-121 Stack-based Buffer Overflow
- CWE-787 Out-of-bounds Write
References
- advisoryhttps://discuss.elastic.co/t/elasticsearch-8-9-0-7-17-13-security-update/343616
- advisoryhttps://discuss.elastic.co/t/elasticsearch-8-9-1-7-17-13-security-update/343297
- advisoryhttps://discuss.elastic.co/t/elasticsearch-8-9-2-and-7-17-13-security-update/342479
- advisoryGHSA advisory
- advisoryhttps://github.com/CVEProject/cvelistV5/tree/main/cves/2023/31xxx/CVE-2023-31419.json
FAQ
Common Questions.
A flaw was discovered in Elasticsearch, affecting the _search API that allowed a specially crafted query string to cause a Stack Overflow and ultimately a Denial of Service.
Affected: Elasticsearch versions >= 7.0.0; Azl3 Rubygem-Elasticsearch 8.9.0-1 (Microsoft); conductor (minimos), among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including conductor 3.32.1-r0, conductor-fips 3.32.1-r0, Elasticsearch <=7.17.12.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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