CVE-2023-31419
CSIRTS triage
- What
- Stack overflow vulnerability in Elasticsearch allows attacker to exhaust stack memory and crash process.
- Who is affected
- Elasticsearch deployments accepting untrusted input that triggers deep recursion or nesting.
- Urgency
- Medium severity (CVSS 6.5); denial of service impact requires specific input conditions but can crash clusters.
- Action
- Update Elasticsearch to version containing stack overflow mitigation.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation likely imminentEPSS puts this in the most-targeted tier (60.7% 30-day exploitation probability). Prioritize alongside KEV items. Riskier than 99.1% of all EPSS-scored CVEs.
Advisory coverage (1)
- mediumCVE-2023-31419: Elasticsearch StackOverflow vulnerabilitymsrc · 2026-08-06
External references
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