message_bus (RubyGems) — known CVEs & security advisories

Known CVE vulnerabilities and GitHub Security Advisories affecting the RubyGems package message_bus, with affected version ranges, CVSS severity, EPSS exploit prediction, and CISA KEV status.

CVEs (1)

• CVE-2021-43840 — CVSS 4.4 (medium): message_bus is a messaging bus for Ruby processes and web clients. In versions prior to 3.3.7 users who deployed message bus with…