CVE-2017-0903

CRITICAL9.8EPSS 5.5%

RubyGems vulnerable to Deserialization of Untrusted Data

Published: 5/13/2022Modified: 4/28/2026
Also known as:GHSA-mqwr-4qf2-2hcvDEBIAN-CVE-2017-0903

Description

RubyGems versions between 2.0.0 and 2.6.13 are vulnerable to a possible remote code execution vulnerability. YAML deserialization of gem specifications can bypass class white lists. Specially crafted serialized objects can possibly be used to escalate to remote code execution.

Affected packages (2)

CVSS scores

SourceVersionSeverityVector
osvCVSS 3.1CRITICAL9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References (16)