GHSA-mqmp-4mcp-vg8v · Severity: high · Ecosystem: maven — Apache ORC vulnerable to Uncontrolled Recursion
In Apache ORC 1.0.0 to 1.4.3 a malformed ORC file can trigger an endlessly recursive function call in the C++ or Java parser. The impact of this bug is most likely denial-of-service against software that uses the ORC file parser. With the C++ parser, the stack overflow might possibly corrupt the stack.
Conclusion & alert: CVE-2018-8015 is rated Moderate Risk (59.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.46%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 4.15% | 3.46% | -0.69% |
| 2 | 2025-03-30 | 28.26% | 4.15% | -24.12% |
| 3 | 2025-03-29 | — | 28.26% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.0 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
GHSA-mqmp-4mcp-vg8v · Severity: high · Ecosystem: maven — Apache ORC vulnerable to Uncontrolled Recursion
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/104215 | Third Party Advisory VDB Entry |
| https://orc.apache.org/security/CVE-2018-8015/ | Vendor Advisory |