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Case File

CVE-2017-0898

CRITICAL · CVSS 9.1 EPSS 9.72% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2017-09-15 · Last synced 2026-08-04

Field Assessment

AI analysis pending.

Exhibit — Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2017-0898
Severity
CRITICAL
CVSS
9.1
EPSS
9.72%

Original Filing — NVD Description

Ruby before 2.4.2, 2.3.5, and 2.2.8 is vulnerable to a malicious format string which contains a precious specifier (*) with a huge minus value. Such situation can lead to a buffer overrun, resulting in a heap memory corruption or an information disclosure from the heap.