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Case File

CVE-2018-8778

HIGH · CVSS 7.5 EPSS 7.83%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2018-04-03 · Last synced 2026-08-04

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CVE
CVE-2018-8778
Severity
HIGH
CVSS
7.5
EPSS
7.83%

Original NVD Description

In Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1, an attacker controlling the unpacking format (similar to format string vulnerabilities) can trigger a buffer under-read in the String#unpack method, resulting in a massive and controlled information disclosure.

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