7.5

CVE-2023-31419: elastic elasticsearch Stack-based Buffer Overflow

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2023-31419GHSA-qwrx-45xf-jjf7BIT-elasticsearch-2023-31419
Published 26-10-2023Last modified 13-02-2025

Vulnerability summary

CVE-2023-31419 is a high (CVSS 7.5) Stack-based Buffer Overflow vulnerability in elastic elasticsearch. EPSS estimates a 61.73% chance of exploitation in the next 30 days, higher than 99.1% of scored vulnerabilities.

Overall risk
42/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
61.73%
0%100%
Critical · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 26-10-2023
    PublishedVulnerability first disclosed.
  2. 13-02-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

61.73%

Chance of exploitation in the next 30 days

Percentile

99%

Versus all other CVEs

30-day change

0.00 pp

From 61.73% on 21-09-2026

21-09-202621-10-2026
EPSS score
61.73%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Elastic1 product
  • elasticsearch≥ 7.0.0, < 7.17.12 | ≥ 8.0.0, < 8.9.0 | ≥ 7.0.0, ≤ 7.17.12 | ≥ 8.0.0, ≤ 8.9.0
Org.elasticsearch1 product
  • elasticsearch≥ 7.0.0, < 7.17.13 | ≥ 8.0.0, < 8.9.1
Ubuntu1 product
  • elasticsearchAll versions (No fix recorded)

3 vendors · 3 products

References

7 links